Ashley Tisdale

Actress, Singer & Producer

Kelly Osbourne

Fashion Designer, Singer & Actress; Former Contributor to E!'s "Fashion Police"; Daughter of Ozzy and Sharon Osbourne

Zoe Kravitz

Actress and singer

Nikki Reed

Actress, Singer-Songwriter & Model; Founder & CEO of Eco-Sustainable Fashion Brand Bayou With Love; Autism & Environmental Advocate

James Franco

Actor and Filmmaker; Known for "Oz the Great and Powerful" and "Spider-Man"

Evan Rachel Wood

Emmy Award-Nominated Actress; Known for "True Blood," "Thirteen" and "West World"

Adam Levine

Singer-Songwriter, Front Man of the Pop-Rock Band Maroon 5 & Former Coach on "The Voice"

Adam Goldberg

Actor, Director, Producer & Musician

Natalie Portman

Award-Winning Actress Known for "Black Swan," "V for Vendetta" & Playing Padmé Amidala in the Star Wars Prequel Trilogy

Natalie Portman on self-confidence and performing from an early ...

Bette Midler

Entertainer & Award-Winning Actress & Singer

Judy Gold

Emmy Award-Winning Actress, Comedian & Producer; Jewish and LGBT Activist

Robert Downey Jr.

Academy Award-Winning Actor & Producer

Robert Downey Jr. Wins Male Supporting Actor In A Motion Picture

Maggie Siff

Actress Known for her Roles in "Sons of Anarchy" and "Mad Men"

Sara Paxton

Actress Known For Her Roles in "Summerland," "Aquamarine" and "Sleepover," Among Others

Kat Dennings

Actress, Best-Known for "2 Broke Girls"

Amber Benson

Actress, Writer, Director & Producer

Rosanna Arquette

Rosanna Lauren Arquette is an American actress, film director, and producer.

Scarlett Johansson

Award-Winning Actress & Singer Known for Portraying the Black Widow in the Marvel Cinematic Universe

Laura Prepon

Actress Known for Her Roles on "That '70s Show" and "Orange is the New Black"

Helena Bonham Carter

Award-Winning Actress; Best Known for "Harry Potter"

Idina Menzel

Actress & Singer, Best Known as the Voice of Elsa in Disney's "Frozen" and For Originating the Role of Elphaba in "Wicked"

Sarah Jessica Parker

Actor, Producer & Businesswoman

Bryan Greenberg

Actor Known for his Roles in "One Tree Hill," "Bride Wars" and "How to Make It In America," Among Others

Lizzy Caplan

Actress Known for "The Interview" and "X-Mas"

Lisa Edelstein

Actress, Director, Writer & Producer

Lea Michele

American Actress Best Known For Fox's "Glee" and "Scream Queens"

Elizabeth Banks

Actress Best Known for "The Hunger Games" Series and "Pitch Perfect"

Melissa Rauch

Actress, Writer & Stand-Up Comic, Best known for "The Big Bang Theory"

Lisa Loeb

Grammy-Nominated Singer & Songwriter

Marlee Matlin

Academy Award Winning Actress; Healthcare Advocate & Disability Rights Activist Fighting for Better Access for the Deaf