Kendall Jenner and her relationship with her new beau, NBA player Devin Booker. This summer the pair have been seen out and about together at restaurants, lounging on the beach, and shopping at pet stores. Now, the young couple celebrated the holiday weekend in Idaho with friends.According to an eyewitness and E! Online, the 24-year-old model stayed in a lakefront home in Idaho with a group of friends, all enjoying summer activities.