The 35-year-old daughter of rockstar Rod Stewart attended the renowned Buckley School in Sherman Oaks, California, with two of the stars and is surprised but impressed that the illustrious clan have become social media icons, reported Contactmusic.
"I went to school with Kim and Kourtney, and I think it's amazing what they've done. It's crazy to think that they are the most famous family in the world. But every family is different," Kimberly said.
Kimberly has a three-year-old daughter, Delilah, with former flame and "Guardians of the Galaxy" actor Benicio del Toro.