Article continues below advertisementJennifer Lopez turned up the heat with a fiery gym selfie.The singer, 56, spilled out of a busty maroon sports bra with a matching top and leggings on Tuesday, February 10.Lopez snapped a mirror selfie from the weights room as she straddled a bench.Article continues below advertisementSource: @jlo/InstagramJennifer Lopez stopped for.a selfie during her workout.Her light brown hair was styled straight and rested on her shoulders while she mugged for the camera. Aside from her three selfies, she included a quote that read, "The goal is simple.