On the heels of their jewelry-shopping jaunt on Sunday, Lopez and Smart weren't shy with the PDA while dining with her "American Idol" co-workers, Ryan Seacrest, Randy Jackson and Steven Tyler, in Las Vegas on Monday night.
"They cuddled up next to one another, exchanging a few small kisses during the dinner," an onlooker relays to People, with another adding, "They were all very sweet."
After the main course, says E! News, Casper treated J.Lo to decadent dessert: a dark chocolate lava cake.
Keep clicking for more pics of Lopez interacting with Casper and Anthony ...