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Ed Sheeran playing a Lannister soldier on Game of Thrones was super jarring.

1.

Kanye West played himself on Entourage.

Watch Kanye West on Entourage here:

View this video on YouTube


HBO / Via youtube.com

2.

Britney Spears played Abby, the receptionist at Stella Zinman’s dermatology clinic, on How I Met Your Mother.

Watch Britney Spears on How I Met Your Mother here:

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CBS / Via youtube.com

3.

Taylor Swift played Elaine, Shivrang’s former lover, on New Girl.

Watch Taylor Swift on New Girl here:

View this video on YouTube


FOX / Via youtube.com

4.

David Bowie played himself on Extras.

Watch David Bowie on Extras here:

View this video on YouTube


BBC Two / Via youtube.com

5.

Lady Gaga played the Countess on American Horror Story: Hotel and Scáthach on American Horror Story: Roanoke.

Watch Lady Gaga on American Horror Story here:

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FX / Via youtube.com

6.

Ed Sheeran played a Lannister soldier on Game of Thrones.

Watch Ed Sheeran on Game of Thrones here:

View this video on YouTube


HBO / Via youtube.com

7.

Prince played himself on New Girl.

Watch Prince on New Girl here:

View this video on YouTube


FOX / Via youtube.com

8.

Adele played herself on Ugly Betty.

Watch Adele on Ugly Betty here:

View this video on YouTube


ABC

9.

Justin Bieber played serial bomber Jason McCann on CSI.

Watch Justin Bieber on CSI here:

View this video on YouTube


CBS / Via youtube.com

10.

Jon Bon Jovi played Seth, a romantic interest Carrie meets in the waiting room at her therapist’s office, on Sex and the City.

Watch Jon Bon Jovi on Sex and the City here:

View this video on YouTube


HBO / Via youtube.com

11.

Jennifer Lopez played herself on Will & Grace.

Watch Jennifer Lopez on Will & Grace here:

View this video on YouTube


NBC / Via youtube.com

12.

One Direction played themselves on iCarly.

Watch One Direction on iCarly here:

View this video on YouTube


Nickelodeon / Via youtube.com

13.

Cyndi Lauper played Avalon Harmonia, Angela’s psychic, on Bones.

Watch Cyndi Lauper on Bones here:

View this video on YouTube


Fox / Via youtube.com

14.

Bruno Mars played himself on Jane the Virgin.

Watch Bruno Mars on Jane the Virgin here:

View this video on YouTube


The CW / Via youtube.com

15.

Carole King played Sophie Bloom, the owner of Stars Hollow’s music store, Sophie’s Music, on Gilmore Girls.

Watch Carole King on Gilmore Girls here:

View this video on YouTube


The WB / Via youtube.com

16.

Nick Jonas played sociopathic hacker Ian Wright on Hawaii Five-0.

Watch Nick Jonas on Hawaii Five-0 here:

View this video on YouTube


CBS / Via youtube.com

17.

Katy Perry played Zoey’s not-so-smart cousin, Honey, on How I Met Your Mother.

Watch Katy Perry on How I Met Your Mother here:

View this video on YouTube


CBS / Via youtube.com

18.

Pete Wentz played himself on One Tree Hill.

Watch Pete Wentz on One Tree Hill here:

View this video on YouTube


The CW / Via youtube.com

19.

Kelly Clarkson played Kelly, an up-and-coming weather woman from Oklahoma, on Reba.

Watch Kelly Clarkson on Reba here:

View this video on YouTube


The CW / Via youtube.com

20.

Death Cab for Cutie played themselves on The O.C.

Watch Death Cab for Cutie on The O.C. here:

View this video on YouTube


Fox / Via youtube.com

21.

Backstreet Boys played themselves on Sabrina the Teenage Witch.

Watch Backstreet Boys on Sabrina the Teenage Witch here:

View this video on YouTube


The WB

22.

Nicole Scherzinger played Jessica Glitter, Robin’s costar on the ’90s Canadian kids show Space Teens, on How I Met Your Mother.

Watch Nicole Scherzinger on How I Met Your Mother here:

View this video on YouTube


CBS / Via youtube.com

23.

Sigur Rós played in King Joffrey and Margaery Tyrell’s wedding band on Game of Thrones.

Watch Sigur Rós on Game of Thrones here:

View this video on YouTube


HBO / Via youtube.com

24.

Curt Smith played himself on Psych.

Watch Curt Smith on Psych here:

View this video on YouTube


USA / Via youtube.com

25.

Elvis Costello played Ben, a loud folk singer taking over Café Nervosa, on Frasier.

Watch Elvis Costello on Frasier here:

View this video on YouTube


NBCUniversal / Via youtube.com

26.

Usher played the magical Love Doctor on Sabrina the Teenage Witch.

Watch Usher on Sabrina the Teenage Witch here:

View this video on YouTube


youtube.com

27.

Ray Charles played Sammy, Grandma Yetta’s love interest, on The Nanny.

Watch Ray Charles on The Nanny here:

View this video on YouTube


CBS / Via youtube.com

28.

And finally, Donny Osmond played himself on Friends.

Watch Donny Osmond on Friends here:

View this video on YouTube


NBCUniversal / Via youtube.com

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