The 20-year-old model took a ride in her new classic car after grabbing breakfast at the Beverly Hills Hotel earlier that morning.
The night before, Kendall celebrated her birthday with a big party at the Nice Guy.
“Happy Birthday to my little Kenny!!!! You’re not a teenager anymore! I love you so much and am so proud of everything you have accomplished and the person you have become!” Kim wrote.
Justin captioned a pic, “What a beautiful family inside and out happy birthday Ken.”
45+ pictures inside of Kendall Jenner in the photo booth and taking a post-birthday hike… More Here! »