Imogen Heap

Musician, Producer & Founder of Mycelia For Music

Sophia Grace Brownlee

Youtube Sensation and Frequent Guest on The Ellen Show

Elvis Costello

Grammy Award-Winning British Singer-Songwriter

Leona Lewis

Singer, Songwriter & Animal Welfare Activist; Best Known for "Bleeding Love"

John Browne

Former CEO of BP & Author of "The Glass Closet: Why Coming Out Is Good Business"

Hayley Atwell

Actress Best Known for Marvel's "Agent Carter" & "Mission: Impossible – Dead Reckoning"

The Vamps

British Pop Rock Band Compared to the Likes of One Direction

Sienna Guillory

Actress Known for "Resident Evil," "Eragon" & "Meg 2: The Trench"

Sienna Guillory | A Banquet, pressure on women & motherhood

Paul Hollywood

Celebrity Chef & Television Host

Kele Okereke

British Musician; Former Frontman of Bloc Party and Electronic Solo Artist

Lily Allen

Recording Artist & TV Presenter; Known for the Hit "Smile"

Lily James

Actress, Best Known for "Downton Abbey," "Cinderella," and "Mamma Mia!"

George Ezra

English Singer-Songwriter Known for Singles Like "Budapest"

Evanna Lynch

Actress Known for her Role as Luna Lovegood in the "Harry Potter" Series

Let It Be / The Musical

THE FAB FOUR ARE BACK LIVE IN LONDON'S WEST END

Daisy Ridley

English Actress Known for "Star Wars: The Force Awakens"

Natalie Massenet

Founder & Chairman of Net-a-Porter Group, Fashion Entrepreneur & Former Journalist

Sam Smith

Grammy Award-Winning British Singer-Songwriter

Rob Delaney

Comedian & Author

Jay Sean

Singer, Songwriter, Rapper, Beatboxer & Record Producer