Rita Ora has been on holiday with Lewis Hamilton.

Rita Ora

Rita Ora

The 'Poison' singer has fuelled speculation she is dating the Formula 1 driver after video footage of them emerged during a break to Montenegro, in which the 31-year-old sportsman could be seen with his arms around her and squirting the blonde beauty with a hose.

An onlooker told The Sun newspaper: "They looked very cosy and flirty.

"It was clear Rita had had a couple of drinks and Lewis was loving every second of it.

"While they may not be a couple they were clearly enjoying themselves.

"They both had huge grins on their faces."

Rita - who was hospitalised recently with exhaustion - and Lewis flew back to the UK earlier this week on the race driver's private jet.

The pair stayed at the 'R.I.P.' hitmaker's family home on the River Bojana, with the singer's father, sister, and cousin also on vacation there.

Rita - who previously dated Calvin Harris - shared a number of pictures from her break, but they noticeably didn't feature or mention Lewis.

Meanwhile, Lewis shared one picture of himself on Instagram of him silhouetted on a beach, but didn't disclose where he was or who he was with.

Lewis was recently romantically linked to model Barbara Palvin after they hit it off in France.

A source said: "She and Lewis were only in Cannes for a short time but got on like a house on fire. They hung out every day and partied at night. By the end of the trip they were really close. They've been keeping in touch, with plans to meet up again soon."

But the sportsman - who previously dated Nicole Scherzinger - recently admitted he doesn't "have time" for a relationship at the moment.

He said: "I don't have time. I'm the most busy I've ever been. I'm trying to win the championship and travelling like never before ... I think dating and the relationship thing is down the line for me."

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