Jennifer Lopez gets her drink on at backup dancer's birthday party with Alex Rodriguez.<br /><br />Who knew Jenny from the block got her drink on once in awhile? <br />The 48-year-old singer was seen dancing and singing with a glass full of wine in tow Friday night during a Las Vegas birthday party celebration with close pals and her boyfriend Alex Rodriguez, 42.<br />Alex Rodriguez posted a story on the social media that showed his lady of one year boozing and getting down with friends.<br /><br />In the Insta-story, Jennifer Lopez leaves little to the imagination thanks to her smoking hot body, sexy moves and barely-there ensemble. <br />In it, she is sporting a revealing, long sleeve white cut-off top with low-cut white pants. <br /><br />She didn't switch the outfit up even after wearing it just hours before during a live performance with the Chainsmokers.<br />--------------------------------------------<br />When you are using this track, please add this in your description: <br />Track: Skylike - Dawn <br />Link: https://youtu.be/Jg9nDEtqWV0
