The on-again-off-again couple was spotted at two Stephen Starr hot spots around Philadelphia over the weekend: Parc on Friday night and Buddakan on Saturday.
Jenner, 22, was seen booing Thompson from her courtside seats while he took free throws, sparking Twitter drama that was eventually shut down by Kardashian.
“Look at my baby heckler,” Jenner’s older half-sister wrote on Twitter. “I’m dying at Kenny trying to heckle on the low low!”
Earlier this month, Simmons was out partying in Miami and Page Six exclusively reported that he ignored a group of girls who were vying for his attention.
“He wasn’t paying attention to any of them,” we’re told.