Britney Spears and Paris Hilton had to be pulled apart by bodyguards

Britney Spears and Paris Hilton had a big bust up on Saturday night, NOW reports.

Bodyguards are said to have pulled Paris, 26, and Britney apart after they bumped into one another at the Scandinavian Style Mansion launch.

The pair started all smiles but then things got a bit heated.

'They were shouting at each other - it nearly ended in a punch-up!' a source tells the Daily Mirror.

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