Katy Perry has extended her tour of the UK and Ireland, which is set to take place next year.

The tour will now begin with three shows at London's Hammersmith Apollo from March 17-19.

Other gigs are scheduled for Dublin (March 28), Nottingham (30) and Birmingham (April 4).

The UK and Ireland leg of Perry’s California Dreams world tour will conclude in Glasgow on April 5.

The American singer released her second album ‘Teenage Dream’ earlier this year.

Tickets go on sale on Friday (October 16) at 9am.

Katy Perry’s UK and Ireland dates are:

• London, Hammersmith Apollo - March 17/18
• Manchester, Apollo - 21/22
• Dublin, O2 - 28
• Nottingham, Trent FM Arena - 30
• Bournemouth, BIC - 31
• Cardiff, International Arena - April 1
• Newcastle, Metro Radio Arena - 3
• Birmingham, LG Arena - 4
• Glasgow, SECC - 5

(by Jason Gregory)