Gigi and Bella Hadid, Kylie and Kendall Jenner party in Monaco

MONACO, May 26 (UPI) -- Bella and Gigi Hadid spent time with Kylie and Kendall Jenner in Monaco over the weekend.

The two pairs of famous sisters were joined by friend and fellow model Hailey Baldwin as they partied on a yacht and attended the Monaco Grand Prix race Sunday. Gigi Hadid was the eldest of the bunch at age 20, with Kylie Jenner the youngest at 17.

Bella Hadid shared photos from the excursion on Instagram, including a cheeky picture of herself in a black bikini and several group shots. The other young celebrities posted photos as well, including ones with Formula 1 race car driver Lewis Hamilton.

Gigi and Bella Hadid are the daughters of real estate developer Mohamed Hadid and The Real Housewives of Beverly Hills star Yolanda Foster. Gigi Hadid holds campaigns with Guess and Maybelline, while Bella Hadid has modeled for Elle magazine.

Kylie and Kendall Jenner are daughters to reality stars Bruce and Kris Jenner and younger half-siblings to Kourtney, Kim and Khloe Kardashian. In addition to appearing on E! series Keeping Up with the Kardashians, Kendall Jenner has modeled for Chanel and Dolce & Gabbana.