Kendall Jenner, 24, and Ben Simmons, 23, seem very much back on! The former couple rang in the new decade together, celebrating New Year’s Eve in Philadelphia based on photo and video obtained by TMZ. Kendall and Ben were spotted strolling into swanky rooftop restaurant Attico around 11:30 p.m., where the 76ers were hosting a soiree in trendy downtown.