Jessie J has been named winner of the Critics' Choice Award for this year's Brits. The Essex singer, real name Jessica Cornish, beat competition from James Blake and The Vaccines to win the award.

The Critics Choice Award is given to the most promising newcomer of the year, and is voted for by a panel of industry and media experts.

Jessie responded to her win via Twitter, "I WON!!! Omg omg omg omg omg."

Jessie J will now have the opportunity to perform live at the Brit Award ceremony on February 15th, following in the footsteps of previous winners such as Ellie Goulding, Florence & The Machine and Adele.