David Dobrik

YouTube Personality, Social Media Sensation, Actor & Talent-Show Judge

RZA

Rapper, Record Producer & Musician; De Facto Leader of the Wu-Tang Clan

JoJo Siwa

Dancer, Singer, Actress & YouTube Personality

Bryan Cranston

Actor, Author & Activist Best Known for "Breaking Bad;" Alzheimer's Advocate

Bobby Hundreds

Founder & Chief Creative Officer of The Hundreds

Frances Arnold

Nobel Laureate & Linus Pauling Professor of Chemical Engineering, Bioengineering & Biochemistry at the California Institute of Technology

In Conversation With Nobel Laureate Frances Arnold

Rohan Oza

Founder & Managing Partner, CAVU Ventures; Former Chief Marketing Officer for Coca-Cola Company's Still Coke Brands

Sandra Bullock

Academy Award-Winning Actress & Producer; Philanthropist & Humanitarian

Sandra Bullock & Channing Tatum Met in the Principal's Office

Kim Petras

EDM & Dance-Pop Singer-Songwriter Known for "Unholy"

Cold War Kids

Cold War Kids are an American indie rock band from Long Beach.

Cheryl Hines

Actress Known for HBO's "Curb Your Enthusiasm;" Heart Disease & Cerebral Palsy Spokeswoman

Katherine Heigl

Award-Winning Actress / Model

Josh Duhamel

Actor and Former Fashion Model; Known for "Safe Haven" and "Transformers"

Pat Benatar and Neil Giraldo

Married Rock Music Legends

Katt Williams

Comedian

Jimmy Iovine

Record Producer, Co-Founder of Interscope Records, CEO of Beats Electronics & Beats Music

Pamela Adlon

Emmy Award Winning Actress, Known for "King of the Hill" and "Better Things"

Julianne Hough

Emmy Award Winner for Outstanding Choreography, Country Music Singer, Actress & Professional Dancer

Albert Brooks

Actor, Voice Actor, Writer, Comedian, and Director

Bill Burr

Stand-up Comedian and Actor