Jennifer Lopez, 54, was recently spotted spending quality time with her stepdaughter, Violet Affleck, 18, amid swirling rumors of marital issues between Lopez and Batman v. Superman actor Ben Affleck. The stepmother and stepdaughter were spotted together at the East Hampton Antiques & Design Show in New York, where Jen and Violet were seen browsing through various offerings along with a third friend who accompanied them. The event, held outside of the Historic Mulford Farm Museum, aimed to benefit the East Hampton Historical Society. Violet was dressed in a pink short-sleeved crop top paired w…