Marina and The Diamonds are set to join Katy Perry on tour, it has been reported.

The American singer has asked Marina and The Diamonds to support her on her upcoming 'Teenage Dream tour, the Daily Star reports.

The first leg of Perry’s UK and Ireland dates will take place in March and April, and have already sold out.

Tickets for the second leg go on sale on Friday (December 10) at 9am. For more details and to buy Katy Perry tickets, check out Gigwise Gig Tickets.

Katy Perry’s new 2011 UK and Ireland tour dates are:

Sheffield, Motorpoint Arena - October 12
London, O2 Arena - 14
Liverpool, Echo Arena - 18
Cardiff, International Arena - 19
Belfast, Odyssey Arena - 24
Birmingham, NIA - 26
Newcastle, Metro Arena - 27
Aberdeen, AECC - 29
Manchester, MEN - 31
Glasgow, SECC - November 3
Nottingham, Trent FM Arena - 5
Dublin, O2 - 7

Katy Perry - live