Jessie J to shave her head for Comic Relief charity

Jessie J is having her hair cut off on Red Nose Day on 15 March

Jessie J says she is "nervous" about shaving her head on live TV in aid of Comic Relief.

The singer first said she would cut her hair off for charity in 2011.

"[It] is something I've promised to do for a long time and Comic Relief has given me the opportunity to try and raise as much money as possible for good causes by doing it," she said.

Jessie J will have her head shaved on the night of the BBC Red Nose Day televised event on 15 March.

She said: "I've loved watching Red Nose Day since I was a kid and I'm so excited to join this year's team of celebrity fundraisers and help support the campaign.

"I won't deny that I'm nervous but I am also honoured to be part of this year's campaign."

Other artists involved include One Direction, who will be recording this year's charity single, a cover of the Blondie song One Way or Another.

The boy band will perform the song for the first time at the Brit Awards in February.

Confirming her plans, Jessie J added: "Together with help from the UK public, we are on a mission to raise more money than ever before for Red Nose Day. So come on, let's do it."

Red Nose Day is on 15 March 2013.