Kendall Jenner’s latest Instagram post is everything #BFFGoals. 

She and best friend Gigi Hadid, also a model, are seen in lacy underwear talking about their boob sizes, bra fillers and when/why their boobs change shape! 

Watch below.. 

boob talk @gigihadid @voguemagazine

A video posted by Kendall Jenner (@kendalljenner) on

Want more? Here's one of our fave moments from Jase & PJ – they’re always up to something! Weekdays from 6AM on KIIS 101.1!