Mary Wilson
Where you know her from: She's a founding member of the Supremes.
Ray Lewis
Where you know him from: He's a former professional football player.
Lamar Odom
Where you know him from: A former basketball player and the one-time husband to Khloe Kardashian.
Kel Mitchell
Where you know him from: He got his start on Nickelodeon's All That before starring in a spinoff flick Good Burger and Kenan and Kel with Kenan Thompson.
Kate Flannery
Where you know her from: She's Meredith from The Office!
James Van Der Beek
Where you know him from: He's an actor known to legions of fans as titular character in Dawson's Creek.
Christie Brinkley
Where you know her from: She's a super model and actress known for the Vacation movies and Parks and Recreation.
Ally Brooke
Where you know her from: She's a singer, and one part of Fifth Harmony.
Karamo Brown
Where you know him from: He got his start on Real World, but now he's making viewers everywhere cry as one part of the Fab Five on Netflix's Queer Eye.
Lauren Alaina
Where you know her from: The country singer competed on American Idol.
Sean Spicer
Where you know him from: He's the former White House press secretary.
Hannah Brown
Where you know her from: The star of season 15 of The Bachelorette.