Jennifer Lopez [1] made her performance debut on the stage of the 2016 Latin Grammy Awards at the T-Mobile Arena in Las Vegas wearing (what else?) a sexy and totally sheer dress! [2] The singer chose a custom-made white caftan gown from Kuwaiti brand Labourjoisie — which you might know from Kendall Jenner's 21st birthday look [3] — made with hundreds of pearls and Swarovski crystals specially for J Lo to wear while honoring the academy's person of the year, her ex-husband and father to her twins, Marc Anthony [4].

The former couple, who have been spending a lot of time together [5] as they work on J Lo's new Spanish-language album [6], delighted the audience with a rendition of Pimpinela's "Olvidame y Pega la Vuelta," even kissing at the end! Keep reading to see photos of the unforgettable performance.