Who is supporting Katy Perry on her UK tour in 2011?

[BethMorris]

anyone know? or know any rumors? xD

 

[Unregistered]

anyone know? or know any rumors? xD

bruno mars and 30h!3 are the rumors

 

[Unregistered]

Ive heard Bruno mars, 3oh!3 and calvin harris but im not sure

 

[Unregistered]

its calvin harris for the uk and marina and the diamonds for the us part of her tour

 

[Unregistered]

katy perry

its
calvin harris for the uk and marina and the diamonds for the us part of her tour

why soes everyone keep saying Calvin Harris, he is supporting Rihanna