Alexa Chung is reportedly dating Katy Perry's ex-boyfriend.

Rob Ackroyd, the guitarist for Florence and the Machine, enjoyed a fling with Katy back in 2012 when she'd split up from Russell Brand.

But sources say Rob is Alexa's new love interest, after being set up by their mutual friend Remi Nicole.

The two stars have known each other for a while, but have only just been paired together.

"Rob and Remi have been working in the studio and she thought they'd make a great pairing. He's totally Alexa's type.

Remi arranged for them all to go for dinner at Soho House and there was a real spark. They've been inseparable ever since and seem smitten. Now Rob's planning to fly to New York, where Alexa lives, for Valentine's Day," a source revealed to Britain's Grazia magazine.

Alexa's last serious relationship ended in 2011 when she broke up with Alex Turner, the lead singer of the Arctic Monkeys.

It was rumoured they'd split after four years because distance had became a problem, with Alex based in the UK and Alexa in America.

"I think Alexa has found it hard to date in New York and Rob will have been a breath of fresh air. She loves his dry humour.

"I think the only thing worrying Alexa will have been the distance. But she really likes Rob and he seems very keen to visit her, so she is eager to see how it pans out," the source added.

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