Jessie J was rescued from a toilet by Jay-Z's security team.

The British singer cites the incident as one of the most embarrassing things that has ever happened to her.

Jessie and her friend attended the first of Jay-Z and Kanye West's Watch The Throne shows in London last month. They were there with Black Eyed Peas star will.i.am and Jessie was amazed when they managed to get backstage to meet the rappers, but then it all went downhill.

"I somehow managed to find myself walking into the stage with them all Will, Kanye, Jay-Z, [Kanye's girlfriend] Kim Kardashian. I was like, Wow, what a crew,' then me and my friend got stuck in the toilet," she told British newspaper The Sun.

"We nipped in to do our make-up and my friend knew the door was broken but locked it anyway and said, Babe I think I've broken the door'. They'd been on for one song, we could hear them and it got to about 15 minutes and Jay's security came in and they literally kicked down the whole door."

Jessie has been performing at music festivals in recent weeks and loves seeing people rocking out to her tunes.

The 24-year-old is often approached by fans in public and always tries to make time for them. Jessie even had a talk with a group of girls while shopping for furniture recently.

"I went to Ikea last week and was having the meatballs and they were like, Are you Jessie J?' and I was like, Yeah' and they said, Why you in here?'" she said.

"I said, Just like you, everyone needs a bit of Ikea in their life - and their meatballs.' I was buying 500 shoe boxes as I need to sort my shoes."