Supermodel Kendall Jenner has officially moved on from Blake Griffin with another basketball star! Page Six reports that Jenner, 22, has been dating Philadelphia 76er Ben Simmons, 21, ?for a few weeks.? An eyewitness told the site, ?Security measures seemed to have been taken to ensure Kendall and Ben enjoyed their night hassle-free. Earlier this week, TMZ cameras caught up with Simmons after he arrived at LAX, but he was only talking basketball. In February, a source told People magazine that Kendall and Blake have ?definitely cooled off? after he was traded to the Detroit Pistons.