Rihanna has extended her UK arena tour next year with an additional date in London, it's been announced.

The singer will now perform an extra date at the O2 Arena on October 13, 2011.

The singer's eight-date Loud tour will begin at the same venue on October 5 and includes shows in Manchester (October 9) and Glasgow (10), before concluding at the Metro Radio Arena in Newcastle on October 16.

The tour will mark the first time Rihanna has performed songs from her new album of the same name in the UK.

Tickets for the new date go on sale tomorrow (December 15) at 9am.

Rihanna's 2011 UK tour dates are:

• London, O2 Arena – October 5/6/13
• Liverpool, Echo Arena – 5
• Manchester, MEN – 9
• Glasgow, SECC – 10
• Birmingham, LG Arena – 15
• Newcastle, Metro Radio Arena – 16

(by Jason Gregory)