Rihanna has extended her UK tour with a second date at London's O2 Arena.

The 21-year-old star will play the East London venue on May 11, the day after her previously announced show.

Tickets for the entire tour are on sale right now.

She plays:

• Birmingham LG Arena – May 7
• Liverpool Echo Arena – 8
• London O2 Arena – 10 / 11
• Sheffield Arena – 13
• Nottingham Arena – 14
• Manchester MEN Arena – 16
• Newcastle Arena – 17
• Glasgow SECC – 19

(by Scott Colothan)