Photo Exclusive: Inside J.Lo's Big, Glam Bash!

See how Lopez surprised her husband Marc Anthony on his 40th birthday


The perfect ending to a perfect night? A kiss, of course! And a European getaway with their twins, Max and Emme. "After I sang, I told him we were leaving for Italy and Greece," Lopez said. "We got on the plane around 4 a.m. [and] we talked about how we pulled it off."