Rihanna shows off her 'petals' again

Rihanna's long-sleeved black sweater and nautically striped mini skirt looked unusually demure - for her at least.

But the sheer top soon turned transparent in the flashlights of the paparazzi - something which didn't appear to come as a surprise to the pop star.

She had come armed with her latest favourite accessory - nipple petals - and this time they were bright pink.