Jessie J: "STB is a dream come true!"

Jessie J has told Capital's showbiz reporter Kevin Hughes that playing the Summertime Ball at Wembley Stadium is 'an overwhelming thing.'

The Brit award winner spent Saturday afternoon sound-checking at Wembley Stadium ahead of her appearance at Capital's Summertime Ball on Sunday 12th June.

After rehearsing her No.1 song Price Tag, Jessie told us backstage: "My wishlist is becoming my reality and it's an amazing thing to be experiencing. I just think I am showing these thousands of people that watch me that dreams do come true because I never dreamt in a million years that I'd be singing at Wembley Stadium so early on in my career."

She also admitted, "I don't think it's going to hit me until I've stepped off stage and I'm done."

So what does Jessie J expect from the crowd? "Make sure you sing along with me,  go wild dance your feet off and have fun."