J.Lo Makes Out With New BF After the AMAs

Jennifer Lopez got up close and personal with her new man, backup dancer Casper Smart, at an AMA after party. You don't rock a nude bedazzled body suit like that unless you're uber confident. And you don't date a 24 year old hottie if you're still hung up on your ex. But when you're Jennifer Lopez you do pretty much whatever you want- and at an AMA after party- that included makin' out with her new! After stealing the show at the AMA's -- J Lo hit up the Fiat after party in a sexy sparkly mini dress. But what the cameras didn't catch was her make out sesh with her back up dancer Casper Smart. The exclusive bash- held at Greystone Manor- was the perfect place for the 42 year old to show off her 24 year old beau. And Casper wants the whole world to know how he feels. He RE tweeted a photo of his lady saying: "My girl @jlo stunning black lace red carpet dress" And we all know- Tweeting is the highest form of public affection! Sources tell US Weekly that: Once inside the bash, she made a beeline for Smart, grabbed his hand, and headed into a private booth near the DJ booth. And she "even grinded in Smart's lap, giving him a kiss and rubbing his head." Caliente! Hey- the couple that grinds together- stays together!?