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                    <ccc>XXXXXXXX</ccc>
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            <liveTestFlag>LIVE</liveTestFlag>



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            <issuerName>HILTON WORLDWIDE HOLDINGS INC.</issuerName>
            <secFileNumber>001-36243</secFileNumber>
            <issuerAddress>
                <ns2:street1>7930 Jones Branch Drive</ns2:street1>
                <ns2:street2>Suite 1100</ns2:street2>
                <ns2:city>McLean</ns2:city>
                <ns2:stateOrCountry>VA</ns2:stateOrCountry>
                <ns2:zipCode>22102</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>703-883-1000</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>KRISTIN A CAMPBELL</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
                <relationshipToIssuer>Former Officer (Retired 9/30/2023)</relationshipToIssuer>
            </relationshipsToIssuer>
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        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>23727</noOfUnitsSold>
            <aggregateMarketValue>4064636.78</aggregateMarketValue>
            <noOfUnitsOutstanding>256440305</noOfUnitsOutstanding>
            <approxSaleDate>12/04/2023</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
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        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/03/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Hilton Worldwide Holdings Inc.</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1568</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2022</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
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            <acquiredDate>03/03/2022</acquiredDate>
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            <nameOfPersonfromWhomAcquired>Hilton Worldwide Holdings Inc.</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1162</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2022</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/31/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Hilton Worldwide Holdings Inc.</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
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            <paymentDate>03/03/2022</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/31/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
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            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1597</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2022</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/31/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Hilton Worldwide Holdings Inc.</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1573</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2022</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/31/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
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            <paymentDate>03/03/2022</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/31/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
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            <acquiredDate>12/31/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
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            <paymentDate>03/03/2022</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/31/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Hilton Worldwide Holdings Inc.</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1576</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2022</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/03/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Hilton Worldwide Holdings Inc.</nameOfPersonfromWhomAcquired>
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            <amountOfSecuritiesAcquired>1711</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2021</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/03/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Hilton Worldwide Holdings Inc.</nameOfPersonfromWhomAcquired>
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            <amountOfSecuritiesAcquired>1569</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2021</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
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            <acquiredDate>12/31/2020</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Hilton Worldwide Holdings Inc.</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>4338</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2021</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/31/2020</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Hilton Worldwide Holdings Inc.</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1789</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2021</paymentDate>
            <natureOfPayment>Employee stock unit award(s)</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Kristin Campbell</name>
                <address>
                    <ns2:street1>7930 Jones Branch Drive</ns2:street1>
                    <ns2:street2>Suite 1100</ns2:street2>
                    <ns2:city>McLean</ns2:city>
                    <ns2:stateOrCountry>VA</ns2:stateOrCountry>
                    <ns2:zipCode>22102</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/11/2023</saleDate>
            <amountOfSecuritiesSold>8286</amountOfSecuritiesSold>
            <grossProceeds>1282176.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>12/04/2023</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Kristen Campbell</signature>
        </noticeSignature>
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144
0001402120
XXXXXXXX
LIVE
0001585689
HILTON WORLDWIDE HOLDINGS INC.
001-36243
7930 Jones Branch Drive
Suite 1100
McLean
VA
22102
703-883-1000
KRISTIN A CAMPBELL
Officer
Former Officer (Retired 9/30/2023)
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
23727
4064636.78
256440305
12/04/2023
NYSE
Common
03/03/2022
Restricted stock vesting under a registered plan
Hilton Worldwide Holdings Inc.
N
1568
03/03/2022
Employee stock unit award(s)
Common
03/03/2022
Restricted stock vesting under a registered plan
Hilton Worldwide Holdings Inc.
N
1162
03/03/2022
Employee stock unit award(s)
Common
12/31/2021
Performance Stock Units
Hilton Worldwide Holdings Inc.
N
2282
03/03/2022
Employee stock unit award(s)
Common
12/31/2021
Performance Stock Units
Hilton Worldwide Holdings Inc.
N
1597
03/03/2022
Employee stock unit award(s)
Common
12/31/2021
Performance Stock Units
Hilton Worldwide Holdings Inc.
N
1573
03/03/2022
Employee stock unit award(s)
Common
12/31/2021
Performance Stock Units
Hilton Worldwide Holdings Inc.
N
2281
03/03/2022
Employee stock unit award(s)
Common
12/31/2021
Performance Stock Units
Hilton Worldwide Holdings Inc.
N
2281
03/03/2022
Employee stock unit award(s)
Common
12/31/2021
Performance Stock Units
Hilton Worldwide Holdings Inc.
N
2281
03/03/2022
Employee stock unit award(s)
Common
12/31/2021
Performance Stock Units
Hilton Worldwide Holdings Inc.
N
1576
03/03/2022
Employee stock unit award(s)
Common
03/03/2021
Restricted stock vesting under a registered plan
Hilton Worldwide Holdings Inc.
N
1711
03/03/2021
Employee stock unit award(s)
Common
03/03/2022
Restricted stock vesting under a registered plan
Hilton Worldwide Holdings Inc.
N
1569
03/03/2021
Employee stock unit award(s)
Common
12/31/2020
Performance Stock Units
Hilton Worldwide Holdings Inc.
N
4338
03/03/2021
Employee stock unit award(s)
Common
12/31/2020
Performance Stock Units
Hilton Worldwide Holdings Inc.
N
1789
03/03/2021
Employee stock unit award(s)
N
Kristin Campbell
7930 Jones Branch Drive
Suite 1100
McLean
VA
22102
Common
09/11/2023
8286
1282176.00
12/04/2023
/s/ Kristen Campbell