“Glee” star Lea Michele
“Vampire Diaries” star Nina Dobrev
Singer Rita Ora
5 Seconds of Summer
Singer Jordin Sparks
“The Duff” star Robbie Amell and “Chasing Life” star Italia Ricci
Co-host Gina Rodriguez of “Jane the Virgin”
“Empire” star Jussie Smollett
“Grandfathered” star John Stamos
Co-host Ludacris and wife Karma Bridges
Singer Jason DeRulo
Ellen DeGeneres and Portia de Rossi
YouTube star Grace Helbig
Singer Austin Mahone
“Awkward” star Beau Mirchoff
“Scream” star Bex Taylor-Klaus
“Scream” star Carlson Young
“Scream” star Connor Weil
Co-host Josh Peck
Dancer Maddie Ziegler
“Southpaw” star Clare Foley
“Chasing Life” star Haley Ramm
“The Fosters”” star Jake T. Austin
“Girl Meets World” star Rowan Blanchard
“Eye Candy” star Victoria Justice
Chloe Grace Mortez
Wiz Khlalifa and son Sebastian
“Pretty Little Liars” star Lucy Hale
“The DUFF” co-stars Bella Thorne and Mae Whitman