Alex Rodriguez, Jennifer Lopez, MET Gala, The Boom Boom Afterparty Rodriguez—who's celebrating his 43rd birthday today with Lopez and "The last thing Alex needs now is to be single, dating and distracted by. Jennifer Lopez began dating former baseball player Alex Rodriguez in At this time, Rodriguez was married to his ex-wife, Cynthia, who is also . Our community needs us right now and we are very aware that we are. Let's take a trip down memory lane — through Jennifer Lopez's love history, to be more specific. The badass singer, actress, and producer has.