Trishelle Cannatella, star of The Real World, claims Nicki snapped at her former Fly collaborator when she tried to give her a congratulatory hug for winning Best Female Video.
"Omg #VMAs inside scoop. Nicki Minaj just told Rihanna to 'sit the f--- down' when she tried to hug her!!! Love it!!!" the spying reality star tweeted.
Check out Rihanna's new short haircut and Nicki's insane outfit in our VMAs red carpet slideshow...