Celebrity·Posted on Nov 14, 2019Here Are 22 Famous People On TikTok That You Probably Never Knew Were On There To Begin WithReese Witherspoon is the ~queen~ of TikTok.by Lauren GarafanoBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Reese Witherspoon, @officialreesetiktok 2. Britney Spears, @britneyspears 3. Will Smith, @willsmith 4. Howie Mandel, @officialhowiemandel 5. Alicia Keys, @aliciakeys 6. Jessica Alba, @jessicaalba 7. Meghan Trainor, @meghantrainor 8. Miley Cyrus, @mileycyrus 9. Bob Saget, @bobsaget 10. Mariah Carey, @mariahcarey 11. Liza Koshy, @lizzza 12. DJ Khaled, @djkhaled 13. Jared Leto, @jaredleto 14. Lizzo, @lizzo 15. Bobby Berk, @bobbyberk 16. The Jonas Brothers, @jonasbrothers 17. Jason Derulo, @jasonderulo 18. Shawn Johnson, @shawnjohnson 19. Steve Harvey, @steveharvey 20. Diplo, @diplo 21. Bebe Rexha, @beberexha 22. Spencer Pratt, @spencerpratt