The singer wants to put on 15lb of muscle

Justin Bieber, 17, is on a new protein-rich diet to bulk up.

The star hates his puny frame and has asked super-fit pals Zac Efron and Justin Timberlake for tips.

He wants to put on 15lb of muscle by eating egg whites, grilled salmon and chicken.

Selena Gomez, you’re a lucky girl.

Read all the Justin Bieber gossip in Now magazine dated 24 October 2011 – out now!


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