Paris Hilton's mother KATHY is selling off items belonging to stars like Mel Gibson and Tom Cruise in an effort to raise money for a children's charity. Kathy Hilton has persuaded celebrities to donate their unwanted wares to an online auction benefiting the Make-A-Wish Foundation, which helps to grant terminally ill kids their biggest wish. Among the lots up for sale on include Gibson's worn and signed denim jeans, the Top Gun star's Ray-Ban sunglasses, U.S. chatshow host Johnny Carson's cufflinks, and a pair of tickets to socialite Paris' New Year's Eve (31Dec07) celebrations at Las Vegas' Club LAX.