Justin Bieber to present Golden Globe

This weekend's Golden Globes always promised to be a star-studded affair but every day it seems the line up gets better.

Now Justin Bieber and Zac Efron have been named as presenters. They will be joined by actress Olivia Wilde to hand out awards to this year's winners.

Already lined up to present 'Globes' are Sandra Bullock, Robert Downey Jr, Kevin Spacey, ‘Twilight's Robert Pattinson, Jennifer Lopez, Scarlett Johansson, Bruce Willis, and Michelle Pfeiffer.

It's already been agreed that Matt Damon, will present the Cecil B. DeMille Award for lifetime achievement to Robert De Niro.

Ricky Gervais will host the event at the Beverly Hilton Hotel in Beverly Hills.