More From The #CapitalSTB

Cheryl Cole Backstage

Cheryl Cole backstage

Cheryl

JLS

JLS on stage

Justin Bieber

Justin Bieber on stage

Justin Bieber

Alexandra Burke

Alexandra Burke on stage

Tinie Tempah

Tinie Tempah on stage

Tinie

Chipmunk

Chipmunk on stage

Pixie Lott

Pixie Lott onstage

Pixie Lott

Rihanna closes the Summertime Ball

Rihanna on stage

Rihanna

Dizzee Rascal

Dizzee Rascal on stage

Ellie Goulding

Ellie Goulding on stage

Ellie Goulding

Scouting For Girls

Scouting for Girls on stage

Jason Derulo

Jason Derulo on stage

Jason Derulo