Celebs make cameos in TV shows and movies all the time, and while they sometimes play a made-up character, some of the best celeb guest appearances are when they're basically caricatures of themselves.
1. Keanu Reeves in Always Be My Maybe.
2. Michael Cera in This Is the End.
3. Marisa Tomei in Seinfeld.
4. James Van Der Beek in Don’t Trust the B*tch in Apartment 23.
5. Stormzy in Chewing Gum.
6. Matt LeBlanc in Episodes.
7. Michelle Obama in Parks and Recreation.
8. And, of course, President Joe Biden in Parks and Rec.
9. LeBron James in Trainwreck.
10. Bill Murray in Zombieland.
11. Kelly Ripa in Broad City.
12. Britney Spears in Glee...
13. ...and when she popped up in Jane the Virgin.
14. One Direction in iCarly.
15. Larry David in Hannah Montana.
16. Kevin Garnett in Uncut Gems.
17. Prince in New Girl.
18. Al Pacino in Jack and Jill.
19. Ed Sheeran in Yesterday.
20. LeVar Burton in Community.
21. James Earl Jones in The Big Bang Theory.
22. Ryan Reynolds in Family Guy.
23. Cher in Will and Grace.
24. Dustin Hoffman in The Holiday.
25. John McEnroe in Never Have I Ever.
26. Hugh Jackman, aka Huge Ackman, in Night at the Museum: Secret of the Tomb.
27. Everyone who appeared in Extras, but particularly Kate Winslet.
Note: Some submissions have been edited for length and/or clarity.