Rihanna poses in thongs

Los Angeles: Singer Rihanna has posted a daring photograph of her backside, online. She is topless and flaunts thigh-high designer boots and a thong.She uploaded the picture, taken by a mystery photographer in her bathroom, with a caption praising Italian designer Miuccia Prada, reports thesun.co.uk.

She wrote: "Gotcha b***h tip-toeing on my marble flo`!!! Sick a** custom Prada boots! Miuccia you RULE!!! Thank you." The 25-year-old launched her own clothing line through River Island in London earlier this week. She even threw a party. Later this week, she will kick off her Diamonds tour in Buffalo. The tour, Rihanna`s fifth, will hit Europe in May with six shows in Britain in June. IANS