Where’s her wedding ring? On Saturday, July 20, Jennifer Lopez, 54, shared a series of selfies without her marital jewelry amid rumors she and Ben Affleck, 51, are headed for divorce. “Today is gonna be a great day 🤍🙏🏼 Happy Saturday everybody ☀️,” the “On the Floor” singer penned one day after being seen leaving Equinox in the Hamptons wearing a “Jennifer” necklace. The images of the Selena actress showed off her tan chest in a white tank top as she smiled for the camera. Lopez notably put her left hand to her perfectly glammed face, displaying her ringless fingers. These sultry snaps came af…