( L - R ) Rihanna, Chris Brown

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Rihanna and Chris Brown have confirmed they are a couple by openly frolicking in a hotel swimming pool.

The Umbrella singer and the R'n'B star have been enjoying a romantic holiday in Jamaica and couldn't keep their hands off each other during a dip in the Hilton Kingston hotel pool.

A source told gossip website pagesix.com: "They were smooching in the pool and were really lovely dovey. They were playfully making out and he was kissing her on the neck.

"They were floating together with him carrying her and she kept saying,

'Don't get my hair wet!' She was very soft and feminine but he was like a big kid splashing all around."

The couple also got matching star tattoos on their necks during their break.

Rihanna was first linked to Chris earlier this month after he helped her celebrate her 20th birthday.

During the bash, Chris was given a standing ovation after he sang 'Happy Birthday' to the beautiful Barbadian singer.