The first acts have been confirmed for this year's Capital FM Summertime Ball and it's set to be an impressive showcase from the hottest names in music. 

'Price Tag' singer, Jessie J, tweeted this morning, May 3, to announce to her fans that she will perform at the event and wrote:

"I think i'm allowed to tell you guys now! I'm going to be performing at the @capitalofficial Summertime Ball! #STB"

Capital FM also revealed that Jennifer Lopez and chart topping duo LMFAO are on the bill, and the organisers will release more details and names of acts during the course of the day via the station's official Twitter account. 

The Summertime Ball will be held on Sunday, June 12 at London's Wembley Arena and tickets will go on sale to the general public on Monday, May 9. Watch Jessie J's latest video for 'Nobody's Perfect' here: