The couple was spotted getting their sweat on in New York City after she finished filming her NBC show, Shades of Blue.
J.Lo rocked a pair of tight spandex leggings which showed off all her curves!
The triple threat accessorized with a designer bag and sunglasses.
She and Alex have been quite the globe-trotting pair, traveling around France to enjoying beach time in the Hamptons, Long Island.
A close source to the couple tells Star that they could be walking down the aisle very soon!