Holly Allen is one of the houseguests of Big Brother Season 21.
Quick Facts and Information on Holly Allen
| Birthday | Under Review |
| Age | 31 |
| Country | United States of America |
| Address | Los Angeles |
| Profession | Wine Safari Guide |
| Zodiac Sign | Under Review |
| Marital Status | Under Review |
| Boyfriend | Not public |
| Gay/Lesbain | Straight |
| Net Worth | Under Review |
| Social Media | IG |
Holly Allen on Big Brother 21
The 21st season of Big Brother has the following houseguests:
- Cliff Hogg III
- David Alexander
- Jack Matthews
- Jackson Michie
- Nick Maccarone
- Ovi Kabir
- Sam Smith
- Tommy Bracco
- Analyse Talvera
- Christie Murphy
- Holly Allen
- Isabella Wang
- Jessica Milagros
- Kathryn Dunn
- Kemi Faknule
- Nicole Anthony
