Pregnant Blac Chyna , Amber Rose and Jason Derulo Party at the Yacht in Cannes.

Blac Chyna is expecting her first child with Rob Kardashian, and Amber Rose is making sure she gets all the nutrients she needs for a healthy baby.
Amber was spotted feeding her giggling best friend a cheeseburger on Wednesday aboard the yacht at the 2016 Cannes Lions festival.
The two stars were partying alongside a host of celebs including Jeremy Renner, Martha Stewart, Jason Derulo, Mindy Kaling, Lana Parilla and Jonathan Cheban at the exclusive bash.

More photos after the cut