There's a trend on TikTok right now where people post old embarrassing pictures of themselves in their "teenage dirtbag" era. Christina Aguilera did it . So, here are 38 celebs now vs. in their “teenage dirtbag” era: 1. Jake Gyllenhaal now: Daniele Venturelli / WireImage / Getty Images
Jake Gyllenhaal when he was in his "teenage dirtbag" phase: Steve Granitz / WireImage / Getty Images
2. Justin Timberlake now: Marc Piasecki / WireImage / Getty Images
Justin Timberlake when he was in his "teenage dirtbag" phase: Lawrence Lucier / Getty Images
3. Prince Harry now: John Lamparski / Getty Images
Prince Harry when he was in his "teenage dirtbag" phase: Anwar Hussein / Getty Images
4. Tony Hawk now: Stefanie Keenan / Getty Images for Dior
Tony Hawk when he was in his "teenage dirtbag" phase: Paul Harris / Getty Images
5. Ashton Kutcher now: Gilbert Flores / Variety via Getty Images
Ashton Kutcher when he was in his "teenage dirtbag" phase: Jim Smeal / Ron Galella Collection via Getty Images
6. Aaron Paul now: Taylor Hill / Getty Images
Aaron Paul when he was in his "teenage dirtbag" phase: Ron Galella, Ltd. / Ron Galella Collection via Getty Images
7. Zac Efron now: John Fleenor / ABC via Getty Images
Zac Efron when he was in his "teenage dirtbag" phase: Albert L. Ortega / WireImage / Getty Images
8. Drake now: Cole Burston / Getty Images
Drake when he was in his "teenage dirtbag" phase: Jeffrey Mayer / WireImage / Getty Images
9. Miley Cyrus now: Nbc / NBCU Photo Bank via Getty Images
Miley Cyrus when she was in her "teenage dirtbag" phase: Neilson Barnard / Getty Images
10. Ryan Gosling now: Robert Kamau / GC Images / Getty Images
Ryan Gosling when he was in his "teenage dirtbag" phase: Sylvain Gaboury / FilmMagic / Getty Images
11. Leonardo DiCaprio now: Rose Hartman / Getty Images
Leonardo DiCaprio when he was in his "teenage dirtbag" phase: Gisela Schober / Getty Images for amfAR
12. Freddie Prinze Jr. now: Freddie Prinze Jr. when he was in his "teenage dirtbag" phase: Jim Smeal / Ron Galella Collection via Getty Images
13. Kristen Stewart now: China News Service / China News Service via Getty Images
Kristen Stewart when she was in her "teenage dirtbag" phase: Steve Granitz / WireImage / Getty Images
14. Taylor Momsen now: Jason Mendez / Getty Images
Taylor Momsen when she was in her "teenage dirtbag" phase: Steve Granitz / WireImage / Getty Images
15. Ryan Reynolds now: Gotham / GC Images / Getty Images
Ryan Reynolds when he was in his "teenage dirtbag" phase: Ron Galella / Ron Galella Collection via Getty Images
16. Justin Bieber now: Joseph Okpako / WireImage / Getty Images
Justin Bieber when he was in his "teenage dirtbag" phase: Nbc / NBCUniversal via Getty Images
17. Taylor Swift now: Raymond Hall / GC Images / Getty Images
Taylor Swift when she was in her "teenage dirtbag" phase: Frank Mullen / WireImage / Getty Images
18. Ariana Grande now: Nbc / NBCU Photo Bank via Getty Images
Ariana Grande when she was in her "teenage dirtbag" phase: Steve Granitz / WireImage / Getty Images
19. Kylie Jenner now: Mega / GC Images / Getty Images
Kylie Jenner when she was in her "teenage dirtbag" phase: Noel Vasquez / Getty Images
20. Justin Long now: Irvin Rivera / Getty Images for IMDb
Justin Long when he was in his "teenage dirtbag" phase: Toni Anne Barson Archive / WireImage / Getty Images
21. Chris Evans now: Dave J Hogan / Dave J Hogan / Getty Images
Chris Evans when he was in his "teenage dirtbag" phase: Archive Photos / Getty Images
22. Rider Strong now: Rider Strong when he was in his "teenage dirtbag" phase: Abc Photo Archives / Disney General Entertainment Content via Getty Images
23. Devon Sawa now: Devon Sawa when he was in his "teenage dirtbag" phase: Ron Galella / Ron Galella Collection via Getty Images
24. Paris Hilton now: Eric Mccandless / ABC via Getty Images
Paris Hilton when she was in her "teenage dirtbag" phase: Vince Bucci / Getty Images
25. Nicole Richie now: Stefanie Keenan / Getty Images for Vacheron Constantin
Nicole Richie when she was in her "teenage dirtbag" phase: David Klein / Getty Images
26. Dylan and Cole Sprouse now: Lionel Hahn / Getty Images
Dylan and Cole Sprouse when they were in their "teenage dirtbag" phase: Jean Baptiste Lacroix / WireImage / Getty Images
27. Hilary Duff now: Hilary Duff when she was in her "teenage dirtbag" phase: Jean-paul Aussenard / WireImage / Getty Images
28. Lindsay Lohan now: Lindsay Lohan when she was in her "teenage dirtbag" phase: Jim Spellman / WireImage / Getty Images
29. Ashley Tisdale now: Ashley Tisdale when she was in her "teenage dirtbag" phase: Frazer Harrison / Getty Images
30. Joe Jonas now: Joe Jonas when he was in his "teenage dirtbag" phase: Albert L. Ortega / WireImage / Getty Images
31. Kelly Osbourne now: Gregg Deguire / FilmMagic / Getty Images
Kelly Osbourne when she was in her "teenage dirtbag" phase: Getty Images
32. Kelly Ripa now: Raymond Hall / GC Images / Getty Images
Kelly Ripa when she was in her "teenage dirtbag" phase: This was for a TV show, but still funny lol.
Steve Fenn / Disney General Entertainment Content via Getty Images 33. Avril Lavigne now: Avril Lavigne when she was in her "teenage dirtbag" phase: Donald Weber / Getty Images
34. Madonna now: Madonna when she was in her "teenage dirtbag" phase: Michael Mcdonnell / Getty Images
35. Ashlee Simpson now: Ashlee Simpson when she was in her "teenage dirtbag" phase: Jeff Kravitz / FilmMagic / Getty Images
36. Lorde now: Dave J Hogan / Dave J Hogan / Getty Images
Lorde when she was in her "teenage dirtbag" phase: The Sydney Morning Herald / Fairfax Media via Getty Images
37. Jared Leto now: Daniele Venturelli / Daniele Venturelli / Getty Images for Luisaviaroma
Jared Leto when he was in his "teenage dirtbag" phase: The Sydney Morning Herald / Fairfax Media via Getty Images
38. And last but not least, Pete Davidson now: Gotham / GC Images / Getty Images
Pete Davidson when he was in his "teenage dirtbag" phase: Bobby Bank / WireImage / Getty Images
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