Who does Justin Bieber want to collaborate with?

Justin Bieber took the Twitter to reveal that he is interested in doing a collaboration with singer, Bruno Mars.

The 20-year-old singer revealed on Twitter that he would love to sing with the Mars, after news of a possible duet between the two artists began to trend on the social media site.

The Baby singer then went onto to tweet that “no one is safe” and “like i said…we live in the studio. #music”.

Bieber has previously collaborated with other big artists such as: Nicki Minaj on Beauty And A Beat, Ludacris on All Around The World and Big Sean on As Long As You Love Me.