Jennifer Lopez's Twins Turn 13! How Alex Rodriguez and the Family Are Celebrating

On Monday, Jennifer Lopez celebrated her twins, Max and Emme, whom she shares with her ex husband, Marc Anthony, on their 13th birthday. J.Lo’s fiance, Alex Rodriguez, shared his own tribute on Instagram and a source tells ET that while J.Lo and the kids are not with A.Rod on the milestone day, they still plan to celebrate together soon.