Exhibit 5.1

Wilson Sonsini Goodrich & Rosati Professional Corporation 701 Fifth Avenue Suite 5100 Seattle, Washington 98104-7036 o: 206.883.2500 f: 206.883.2699

February 28, 2022

Revolve Group, Inc.
12889 Moore Street
Cerritos, California 90703

Re:Registration Statement on Form S-8

Ladies and Gentlemen:

We have examined the Registration Statement on Form S-8 (the “Registration Statement”) to be filed by Revolve Group, Inc., a Delaware corporation (the “Company”), with the Securities and Exchange Commission on or about the date hereof, in connection with the registration of the offer and sale under the Securities Act of 1933, as amended, of an aggregate of 3,661,666 shares of Class A common stock, par value $0.001 per share (the “Shares”), reserved for issuance under the Company’s 2019 Equity Incentive Plan (the “2019 Plan”).

On the basis of the foregoing, and in reliance thereon, we are of the opinion that the Shares, when issued and sold in the manner referred to in the 2019 Plan and pursuant to the agreements that accompany the 2019 Plan, will be legally and validly issued, fully paid, and nonassessable.

We consent to the use of this opinion as an exhibit to the Registration Statement and further consent to the use of our name wherever appearing in the Registration Statement and any amendments thereto.

Sincerely,

/s/ Wilson Sonsini Goodrich & Rosati, P.C.

WILSON SONSINI GOODRICH & ROSATI

Professional Corporation

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