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9 June 2012, 12:20
The 'Domino' star has issued a challenge to the American stars today at Wembley Stadium.
Jessie J has confessed that she would love to jump on stage alongside fellow Summertime Ball 2012 performers Kelly Clarkson and Katy Perry.
The 'Price Tag' star spoke to Capital ahead of her appearance and was asked if she'd be interested in a special collaboration.
"Why not, I'm happy to do it," she admitted. "If Katy and Kelly are listening – let's get it on, let's sing a song."
She continued: "It's been thrown down from Jessie J to Katy Perry and Kelly Clarkson. What could we do? Something big – maybe a medley. Wow, could you imagine?"
You can watch Jessie J making a challenge to Katy Perry and Kelly Clarkson at the Summertime Ball 2012 below:
Both artists will be taking to the stage alongside the likes of Usher, Justin Bieber and Coldplay in front of 80,000 fans at Wembley Stadium today (9th June).
Jessie J performing at the Jingle Bell Ball in 2011:
Capital FM is coming live from the Summertime Ball at London's Wembley Stadium on 9th June.
Keep your eye on the ball by heading to our Summertime Ball area for all the latest news, photo galleries and interviews from this year's event.