Jessie J Shaves Hair Off For Comic Relief Red Nose Day

Jessie J has stayed true to her word and shaved off her hair for Comic Relief.

The Dermot O'Leary and The Voicecoach added: "My mum's crying with happiness."

Cheryl Coleand The Saturdays took to Twitter to show the star their support, with Chezza posting: "Wow wow wow wow wow @Jessiej looks AMAZING!!"

Will Ferrellalso did his bit for the charity, resurrecting Anchorman's Ron Burgundy for a typically hilarious sketch.

Keep it MTV.co.uk for more action from Red Nose Day!

SEE 101 OF JESSIE J’S MOST FAMOUS LOOKS HERE!