JLS told that in this week for Capital Summer Ball has started rehearsal
.On 7th June the boys were at the Glamour Women Of The Year Awards 2011 in Mayfair, and said they can't wait to open this Sunday's bash at Wembley Stadium.
Aston said, 'Do you know how excited we are?, We had our first rehearsal today'.
He continued, 'We never give too much away but obviously it's the opener of the show. We're going to enter in style.'
Marvin added, 'Then we're actually going to be in a helicopter to our gig in Swansea on the same day so it's going to be a great day'.
'First time on a helicopter for all of us so that's [going to be] amazing.'
Katy B, The Wanted, Cee Lo Green, Jessie J and Jennifer Lopez continue the party after then JLS will present at the Summertime Ball.