• Powerless

    Vanessa Hudgens, Danny Pudi, Alan Tudyk, and Christina Kirk give us a tour of the set of NBC's comic book comedy.

  • Bitsie Tulloch

    Actress discusses the 6th and final season of her hit NBC series "Grimm" and how she got her nickname.

  • DJ Khaled

    Rap stars like Chance the Rapper & Diddy gather to support the hip hop legend as he announces his 10th album 'Grateful'.

  • Noah Cyrus

    Singer performs acoustic version of her debut single "Make Me (Cry)" and talks about collaborating with Labrinth.



R&B singer Green, who is also playing both events, invited the cult stars to join him on his own plane - but they turned down the offer so they could have more time in California.

Arcade Fire drummer Jeremy Gara explains, "It was an option to go with Cee Lo but we're not doing it because he plays then leaves straight away.

"We're arriving (in London) on Tuesday and get off the plane and go straight to the O2 Arena to rehearse."