Debby Ryan is known as an American actress and singer Ryan is most famous for being featured on the Disney Channel

Justin Bieber is known as a Grammy Award winning Canadian pop star He is most famous for growing his fame on YouTube with such hits like Let Me Love You and I m the One

Idina Menzel is known as an American actress and singer She is most famous for playing Maureen Johnson in the Broadway musical Rent

Matthew Koma is known as an American singer songwriter and record producer He is most famous for writing sons like Spectrum and Clarity

Hilary Duff is known as an American actress and singer. She is most famous for the TV series Lizzie McGuire and her pop album Metamorphosis

Christ Daughtry is known as an American singer and songwriter He is most famous for being the frontman of the rock band Daughtry and his run on American Idol

Avan Jogia is known as a Canadian British actor activist and director He is most famous for his roles in Caprica Victorious and Twisted

Ariana Grande is known as an actress and pop singer She is most famous for her TV shows and her hit tracks like Problem Bang Bang and Thank U Next

Bebe Rexha is known as an American singer and songwriter She is most famous for writing songs for Eminem Rihanna and Selena Gomez

Rob Zombie is known as an American musician and filmmaker. He is most famous for his heavy metal band White Zombie and films like the Devil's Rejects and Halloween

RuPaul is known as an American drag queen singer and actor He is most famous for RuPaul s Drag Race and RuPaul s Drag U

Ryan Ross is an American musician who was a member of the rock band Panic! at the Disco. He left the band to form a new band called The Young Veins and has since released music with other artists. He is currently on tour with a group called the Dead End Kids Club