By Ayeesha Walsh Jennifer Lopez looked incredible as she showed off her toned midriff while out running errands in Los Angeles. The global superstar was seen strolling around in Los Angeles wearing a cropped black sweatshirt and a matching pair of joggers as she enjoyed a trip around the shopping mall. Jennifer, 54, added a pair of brown wedged flatform Ugg boots to keep her casual look comfy while she appeared to be grimacing at times for an unknown reason. Jennifer added a pricy $40,000 Hermès bag to her outfit, and wore a pair of large dark sunglasses to hide most of her face. Her trademark…