Jennifer Lopez Amazes Vegas Crowd in Tight, Sexy Red Dress

Jennifer Lopez Amazes Vegas Crowd in Tight, Sexy Red Dress

Work it, J-Lo!

Jennifer Lopez showed off her figure in a tight, sexy red dress during her performance Saturday in Las Vegas at the iHeartRadio Music Festival. Just two months after splitting with hubby Marc Anthony, the 42-year-old glammed things up with bejeweled fishnet tights and a red feather cape.