Celebrity·Posted on Feb 1, 202019 Celebrity TikToks From This Past Week That Are 100% Good And 200% Incredible"Am I TikToking?"by Lauren GarafanoBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Nick Jonas showed the world his new (and very necessary) teeth check procedure: 2. Mike "The Situation" Sorrentino informed us that he is, in fact, filing his taxes this year: 3. Sterling K. Brown joined TikTok: 4. And so did Charli XCX: 5. Then, Tyra Banks joined the club: 6. Alicia Keys collabed with Liza Koshy on this dance meme: 7. Tana Mongeau showed off her private plane ride, courtesy of her latest alimony check: 8. Emma Chamberlain performed a nearly flawless dance, followed by a tiny tumble: 9. Jordan Fisher gave us a sneak peek of his first night in Dear Evan Hansen: 10. Jessica Alba did a little synchronized dance number on the set of LA's Finest: 11. Liza Koshy did this man dirty with a high-five fake out: 12. David Dobrik took over Howie Mandel's account, and you could literally feel the awkwardness: 13. Spencer Pratt got realllllllllllllly excited for the burrito he was about to eat: 14. Iris and Judd Apatow put their lip-syncing skills to the absolute test: 15. JoJo Siwa proved that she 100% rules the world: 16. Lewis Capaldi documented the most heartbreaking love story of all time: 17. Noah Schnapp had some fun lil' banter with his sleep paralysis demon: 18. Jennifer Lopez had a mini jam sesh in her car: 19. Finally, Derek Hough called in reinforcements — Charli and Dixie D'Amelio — to help him make a proper TikTok dance vid: