BRITNEY SPEARS AND MARIO LOPEZ ?

Britney Spears has been partying with a handsome actor in Las Vegas.The newly single singer was seen canoodling with Mario Lopez at the Moon Nightclub this weekend. Dressed in a disguise of a pink wig and oversized sunglasses, Britney went to the Palms Casino Resort, where she met up with renowned ladies man Mario before hitting clubs on Friday. A source said: "Mario and Britney were definitely together. They were even holding hands. They were staring into each other's eyes and laughing all night."Britney and the 'Saved By The Bell' actor also tried their hand at gambling in The Mint casino.The 'Toxic' singer enjoyed a lucky streak and won $10,000 playing blackjack.The 24-year-old pop superstar is in Las Vegas to start recording her comeback album. A source told People magazine: "She looks and sounds great. Her voice has never sounded better. She is having so much fun and is ready to make her musical comeback."It was recently revealed that Britney has turned to ex-lover Justin Timberlake to cope with the breakdown of her second marriage. Britney reportedly made tearful phone calls to Justin even before filing for divorce from Kevin Federline.