Watch 18-year-old AUDREY HEPBURN in her 1948 acting debut 'Dutch in Seven Lessons'

Fifth Harmony - Write On Me

Becky G - Can't Stop Dancin'

Ariana Grande - Into You

Little Mix - Little Me

Rihanna - Diamonds

Ariana Grande - Focus

Rihanna - Diamonds

Fifth Harmony - Work from Home ft. Ty Dolla $ign

Demi Lovato - Cool for the Summer

Selena Gomez - Come & Get It

Little Mix - Touch (Official Video)

Little Mix - Change Your Life

Demi Lovato - Cool for the Summer (Official Video)

Ariana Grande - Focus

Rihanna - Bitch Better Have My Money

Fifth Harmony - That's My Girl

Little Mix - Move

Tori Kelly - Unbreakable Smile

Demi Lovato - Cool for the Summer (Official Video)

Ariana Grande - Focus

Selena Gomez - Come & Get It