Bieber, Efron join Globes line-up
Justin Bieber and Zac Efron are helping to present this year's Golden Globes.
The heartthrobs are among the famous faces handing out awards at the US film ceremony, hosted by Ricky Gervais.
Tron: Legacy star Olivia Wilde will also present, the Hollywood Foreign Press Association announced on Twitter.
Nominees Natalie Portman, Halle Berry, Nicole Kidman, Johnny Depp and Jake Gyllenhaal are expected to walk the red carpet this year.
The King's Speech leads the nominations - it's up for seven awards including best film drama.
Colin Firth, who plays King George VI, is up for best actor and his co-star Helena Bonham Carter has been nominated for best supporting actress.
The Fighter and The Social Network are up for six awards, while US hit Glee received the most nominations for a TV show.