American Horror StoryVia FXHawaii Five-0Via CBSSmashVia NBC
Nick was never on American Horror Story !
He had a recurring role on Hawaii Five-0 from 2013-2015 and guest starred on Smash in 2012.
Grey's AnatomyVia ABCGleeVia FOXTeen WolfVia MTV
Demi Lovato was never on Teen Wolf.
She had a small role on Glee from 2013-2014 and was on Grey's Anatomy in 2010.
The SimpsonsVia FOXCSIVia CBSFamily GuyVia FOX
Justin was never on Family Guy!
He made a guest voice acting appearance on The Simpsons in 2013 and made two separate guest appearances on CSI in 2010 and 2011.
The Mindy ProjectVia HuluCSIVia CBSNew GirlVia FOX
Taylor was never on The Mindy Project.
Taylor made a guest appearance on New Girl in 2013 and on CSI in 2009.
Sabrina, the Teenage WitchVia ABC7th HeavenVia The WBGleeVia FOX
Usher never guest starred on Glee.
Usher guest starred on both 7th Heaven and Sabrina, The Teenage Witch in 2002.
2 Broke GirlsVia CBSHow I Met Your MotherVia CBSRaising HopeVia FOX
Katy Perry was never on 2 Broke Girls.
She made an appearance on Raising Hope in 2012 and How I Met Your Mother in 2011.
Can You Remember Which TV Shows These Singers Have Guest-Starred On?
You might want to brush up on your cameos.
You nailed this one, you binge-watcher, you.