Socialite Paris Hilton, who was was arrested for cocaine possession charges, now claims that the purse was not hers and she thought the cocaine was chewing gum.

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The police report says the 29-year-old was handed her purse by an officer when a small bag containing the drug fell out. The officer reported that Hilton said she had not seen the bag, 'but now thought it was gum'.

She has been charged with felony possession of a controlled substance, 0.8 grams of cocaine and she could face four years in prison if convicted, says reports.