NEW COUPLE ALERT: JUSTIN LONG AND MAGGIE Q

Live Free and Die Hard co-stars Justin Long and Maggie Q are dating!'Justin and Maggie were making out in full view of everyone at the ëHER Luau at the Mansion,' July 21 at Hugh Hefner's Playboy Mansion,' an eyewitness says.The event ? hosted by Denise Richards ? benefited the Nicole Brown Foundation, to stop domestic violence.Justin, 29, and the Vietnamese-American beauty, 28, 'met on the Live Free and Die Hard set. They met as co-stars on the set, and then they hooked-up,' the source adds.'At the fundraiser, they were standing near a darkened corner, kissing away. They were really going at it, too. People were watching them, discreetly. They were right out in the open about it.'I couldn't believe my eyes, because Maggie is really gorgeous, really hot, and Justin's kind of a goofy guy. I guess opposites do attract sometimes.'By Jack CarterPhoto: Wireimage.com