Other guests include Gabrielle Union, Michael Strahan, Vin Diesel, Bruce Willis & more. Jimmy Fallon is set to to have a pretty exciting and fun week over The Tonight Show.

Demi Lovato and Selena Gomez are definitely friends again and here's why! Demi Lovato and Selena Gomez are totally back to being friends for real! Watch Demi Lovato's Sexy 'Cool for the Summer' Music Video! Just a few weeks ago, Gomez reached out to Lovato on Twitter, wishing the "Cool for the Summer" singer a happy 23rd birthday.

Selena Gomez has revealed the track list for 'Revival' in quite the interesting way. Selena Gomez is on a roll when it comes to revealing information about Revival this week! Is Selena Gomez Responsible For Breaking Justin Bieber's Heart? The 23-year-old took to Twitter Wednesday night to dish out the entire track list for her new album, but that's not all she did.

Is Justin Bieber still mending his broken heart since his relationship with Selena Gomez ended for good?