OK, so maybe we’re not tracking her jet travel online like amateur spies, or worrying on a diplomatic level whether she’ll make it to a football game. But current Swift-mania aside, let’s not forget that another force of nature, J.Lo, has been the ultimate celebrity for decades. Singer. Dancer. Rom-com actor, charismatic and charming. Social media queen, and yes, tabloid magnet, with the very public ups and downs of her love life. Jennifer Lopez, now 54, has been doing this pop icon thing for a very long time, and very well.