Watch Beyoncé, Nicki Minaj’s “Feeling Myself” Rehearsal

Beyonce may be a pro when it comes to performing, but the star has yet to master her ice grill face.

Nicki Minaj clearly had a difficult time not cracking a smile as they practiced their “Feeling Myself” dance moves for the recent Tidal X: 10.20 benefit concert.

See clips posted on IG by Nicki Minaj:

#TRENDING: Beyonce, Nicki Minaj- Feeling Myself (Watch Teaser)

Beyoncé and Nicki Minaj set the Internet on fire Monday when they dropped the surprise music video for “Feeling Myself” exclusively on Tidal.

The single, a collaboration from Minaj’s 2014 album “The Pinkprint”, has been burning up the music charts and now it’s burning up social media as well, igniting trends on Facebook and Twitter.

The sexy footage features the ladies partying with friends in the desert at Coachella, twerking and showing off their curves in swimwear.

While initially posted to the subscription-only streaming service, the video was quickly ripped and shared on other sites.