Due to overwhelming demand, Katy Perry has added extra dates in Manchester and Birmingham to the UK leg of her Prismatic World tour.

The full tour dates are now as follows:

May 2014
7th BELFAST, Odyssey Arena
10th NEWCASTLE, Metro Radio Arena
11th NOTTINGHAM, Capital FM Arena
13th BIRMINGHAM, LG Arena
14th BIRMINGHAM, LG Arena – NEW DATE
17th GLASGOW, SSE Hydro
18th GLASGOW, SSE Hydro
20th MANCHESTER, Phones 4 U Arena
21st LIVERPOOL, Echo Arena
23rd SHEFFIELD, Motorpoint Arena
24th MANCHESTER, Phones 4 u Arena – NEW DATE
27th LONDON, O2 Arena
28th LONDON, O2 Arena
30th LONDON, O2 arena

Tickets for the additional shows go on sale on Friday 29th November at 9am.