According to People.com, Paris and Federline (Britney Spears’ ex-husband) hung out in Hilton’s room after clubbing on Saturday. Both has partied together in Las Vegas during pre-New Year’s weekend. And according to femalefirst.co.uk, Paris was seen laughing and joking with Kevin at Las Vegas’ LAX nightclub on Saturday.

Both were in town to host separate New Year’s Eve parties – hers at LAX, his at Tangerine – but each name attraction started celebrating early, hitting LAX on Saturday and Pure Nightclub on Sunday.

Photo credit: Denise Truscello / WireImage; Jeff Vespa / WireImage

Via People