Fancy yourself as a Heartbeat? Test your knowledge of Jessie J and discover loads of new facts in our A-Z of the 'Domino' star.
Real Name: Jessica Ellen Cornish
Born: 27 March 1988
Height: 5' 9" / 1.75 m
Star Sign: Aries
Birthplace: Redbridge, London, England
Hometown: London, England
About Jessie J
Jessie studied at the BRIT School with Leona Lewis and Adele.
She supported 80s popstar Cyndi Lauper on her 2008 'Bring Ya To The Brink' tour.
Jessie co-wrote Miley Cyrus's 2009 smash 'Party In The U.S.A.'.
She wrote 'Do It Like A Dude' for Rihanna but Island Records insisted she release it herself.
Jessie helped X Factor judge Tulisa Contostavlos choose her four finalists for 2011.
Jessie took to the stage on Saturday 9th June at Wembley Stadium for the Summertime Ball 2012. See the highlights here.
First Single: Do It Like A Dude
First Album: Who You Are
First Big Top 40 No.1: Price Tag
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About Jessie J
Capital Hot Picks
Watch all the best bits from the 'LaserLight' star's webchat with Capital.
Watch the 'LaserLight' singer as she takes on our nut challenge to names as many different nuts in 30 seconds.
The 'Who You Are' star wowed in a flowery playsuit on the hit US reality series.
The 'Domino' star announces plans for her comeback single and posts studio footage from recording new album.
The 'LaserLight' singer says she want to help the acts by giving them her honest opinion and advice.
The 'Domino' singer tells fans that she's also seen the first edit of the video for her brand new single.
Ahead of her third appearance at the Summertime Ball in June, Capital checks out some pictures of Jessie J before she was famous.
Join Capital as we take a look at some of the reasons to be excited about Jessie J's forthcoming new album.
She's one of pop's most colourful characters and always has something going on - that's why you'd be forgiven for missing some of these classic Jessie J moments. Don't worry - we've got them all!
There have been a variety of funny celebrity facial expressions caught on camera in the past, but Jessie J and Cara Delevingne definitely have some of the best. Join Capital FM as we take a look at how their amazing selfies compare to one another.