Cover |
Jul. 13, 2026 |
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| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jul. 13, 2026 |
| Entity File Number | 001-41059 |
| Entity Registrant Name | Lulu’s Fashion Lounge Holdings, Inc. |
| Entity Central Index Key | 0001780201 |
| Entity Tax Identification Number | 20-8442468 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 495 Ryan Avenue |
| Entity Address, Address Line Two | Suite 125 |
| Entity Address, City or Town | Chico |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 95973 |
| City Area Code | 530 |
| Local Phone Number | 343-3545 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | LVLU |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
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