James Corden

English Actor, Comedian & Host of CBS's "The Late Late Show With James Corden"

Jason Momoa

Actor, Producer, Environmental Activist, Known For "Aquaman" and "Game Of Thrones"

Selena Gomez

Actress & Singer; Best Known for "Wizards of Waverly Place"

Carly Rae Jepsen

Recording Artist; Known for the Viral Sensation “Call Me Maybe”

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Jared Leto

Academy Award-Winning Actor Known for "Dallas Buyers Club," "Requiem for a Dream" & "Suicide Squad;" Lead Singer for Band '30 Seconds to Mars'

Jason Mraz

Singer-Songwriter Known for "I Won't Give Up," "Lucky" & "I'm Yours"

Drake

Canadian Actor, Rapper & Singer Known for "One Dance" and "Hotline Bling"

Jason Sudeikis

Comedian & Actor Known for "We're The Millers," "Horrible Bosses" & "SNL"

Seth Rogen

Actor, Comedian, Writer, Producer & Director Known for "Neighbors," "Knocked Up" & "The Green Hornet"; Alzheimer's Awareness Advocate

Sebastian Maniscalco

Comedian

Patrick Stewart

Actor & Director; Star of the Starz Series 'Blunt Talk'

Making It So: A Memoir

Maya Rudolph

Actress, Comedian & Former SNL Cast Member

Michelle Pfeiffer

American Actress & Singer

Russell Peters

Canadian Comedian & Actor

Matthew Perry

Recovery Advocate & Actor Best Known for "Friends"

Julia Louis-Dreyfus

Emmy Award-Winning Actress Known For "Seinfeld" & "Veep"

Mindy Kaling

Emmy-Nominated Writer, Producer, New York Times Best-Selling Author, Director & Actor

Giada De Laurentiis

Chef and Host on The Food Network, Today Show Contributor

Lisa Kudrow

Actres Best Known for Her Role as Phoebe Buffay in the sitcom, "Friends"