'Umbrella' singer Rihanna kept all eyes on her as she left Tramp nightclub on Tuesday evening (25 March) dressed in what appeared to be a black T-shirt and long white coat.
Perhaps the long coat was to protect her modesty when she bent over. We have to ask, though, is she not cold?!
According to a source, Rihanna and Drake partied at Tramp until around 5am, when they left a few seconds apart before driving off in the same car.
Rihanna, 26, jetted into London on Monday, just in time to support Drake, 27, at his concert at the capital's O2 Arena that night.
She was seen standing among the crowd like a regular ticketholder as she watched the rapper perform to thousands.
Rumours that friendship has blossomed to romance for RIhanna and Drake have been swirling since last month, when they were seen together in various European cities on Drake's tour, including Manchester and London.
So far, they've both kept mum on their private lives – even the usually Twitter and Instagram-friendly Rihanna hasn't mentioned anything!
Meanwhile, it's been announced that Rihanna has been honoured with this year's prestigious CFDA Fashion Icon Award, to be handed out by the Council of Fashion Designers at a ceremony in New York in June.
It's awarded to individuals who've made an impact on pop culture through their style, with the CFDA describing Rihanna as "fashion's most exciting ambassador in recent memory."
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Watch Rihanna's music video for 'Umbrella' below:
Rihanna's sexiest bikini moments in pictures: