PICS: The Kardashian clan celebrate Kendall and Kylie's graduation

Los Angeles - Kris Jenner threw an extravagant party to celebrate her daughters graduation.

The party for Kendall and Kylie Jenner - which appeared to be held at the 59-year-old momager's mansion in Calabasas, California - was attended by friends and family, who watched a team of synchronised swimmers perform in the pool and posed for pictures in a photobooth.

The celebration - which was hosted by E!'s Ryan Seacrest - was a late one for Kendall, 19, who graduated in 2014.

Pal Gigi Hadid shared a photograph of her with Kim Kardashian West and the 19-year-old model, captioning it: "better to celebrate late than never (sic)."

better to celebrate late than never ????

A photo posted by Gigi Hadid (@gigihadid) on Jul 23, 2015 at 8:43pm PDT

Younger sister Kylie, 17, was equally excited about getting to wear her gown and mortarboard

Captioning a photo of herself in her graduation gear, she wrote: "I love my mom for doing this. Thank you for making this experience as normal as possible for me. Yay I graduated :) (sic)"

Meanwhile, in a recent post on Twitter, the Keeping Up With The Kardashians star revealed she had completed her compulsory education.