Name	Known for
Fergie Self - Host Self - Host See fewer	Nine (2009)
Sean 'Diddy' Combs Self - Judge (as Sean Combs) Self - Judge (as Sean Combs) See fewer	Get Him to the Greek (2010)
DJ Khaled Self - Judge Self - Judge See fewer	Popstar: Never Stop Never Stopping (2016)
Meghan Trainor Self - Judge Self - Judge See fewer	Meghan Trainor: All About That Bass (2014)
Noah Barlass Self - Performer / The Four Self - Performer / The Four See fewer	The Four: Battle for Stardom (2018)
Ali Caldwell Self - Performer / The Four Self - Performer / The Four See fewer	The Voice (2011)
Anthony Gargiula Self - Performer / Challenger Self - Performer / Challenger See fewer	VoicePlay: Seven Nation Army VoicePlay ft Anthony Gargiula (acapella) White Stripes Cover (2023)
James Graham Self - Performer / The Four Self - Performer / The Four See fewer	Stereo Kicks: Love Me So (2015)
Sharaya J. Self - Performer / The Four Self - Performer / The Four See fewer	Little Mix Feat. Sharaya J: Strip (2018)
Leah Jenea Self - Performer / Challenger Self - Performer / Challenger See fewer	Love You Right: An R&B Musical (2021)
Mackenzie Johnson Self - Performer / Challenger Self - Performer / Challenger See fewer	The Four: Battle for Stardom (2018)
Jeronelle McGhee Self - Performer / Challenger Self - Performer / Challenger See fewer	Side Chick (2016)
A.J. Reynolds Self - Performer / Challenger Self - Performer / Challenger See fewer	The Four: Battle for Stardom (2018)