content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0002009235</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001845257</issuerCik>
        <issuerName>LifeStance Health Group, Inc.</issuerName>
        <secFileNumber>001-40478</secFileNumber>
        <issuerAddress>
          <com:street1>4800 N. SCOTTSDALE ROAD</com:street1>
          <com:street2>SUITE 2500</com:street2>
          <com:city>SCOTTSDALE</com:city>
          <com:stateOrCountry>AZ</com:stateOrCountry>
          <com:zipCode>85251</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>602-767-2100</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Ramtekkar Ujjwal</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>9519</noOfUnitsSold>
        <aggregateMarketValue>49213.23</aggregateMarketValue>
        <noOfUnitsOutstanding>388875906</noOfUnitsOutstanding>
        <approxSaleDate>06/16/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/08/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>9519</amountOfSecuritiesAcquired>
        <paymentDate>03/08/2025</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Ujjwal Ramtekka</name>
          <address>
            <com:street1>4800 N. Scottsdale Road</com:street1>
            <com:street2>Suite 2500</com:street2>
            <com:city>Scottsdale</com:city>
            <com:stateOrCountry>AZ</com:stateOrCountry>
            <com:zipCode>85251</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>06/05/2025</saleDate>
        <amountOfSecuritiesSold>16000</amountOfSecuritiesSold>
        <grossProceeds>94960.56</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/16/2025</noticeDate>
        <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Ujjwal Ramtekkar</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0002009235
  XXXXXXXX
  LIVE
  0001845257
  LifeStance Health Group, Inc.
  001-40478
  4800 N. SCOTTSDALE ROAD
  SUITE 2500
  SCOTTSDALE
  AZ
  85251
  602-767-2100
  Ramtekkar Ujjwal
  Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  9519
  49213.23
  388875906
  06/16/2025
  NASDAQ
  Common
  03/08/2025
  Restricted Stock Vesting
  Issuer
  N
  9519
  03/08/2025
  Compensation
  N
  Ujjwal Ramtekka
  4800 N. Scottsdale Road
  Suite 2500
  Scottsdale
  AZ
  85251
  Common
  06/05/2025
  16000
  94960.56
  06/16/2025
  /s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Ujjwal Ramtekkar