Beyonce and Nicki Minaj Struggle to Keep Straight Faces During ‘Feeling Myself’ Rehearsals -- Watch!

by Elizabeth VanMetre 1:55 PM PDT, October 26, 2015
Photo: Tidal

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

As one can see in a behind-the-scenes rehearsal video posted on Facebook by the "Drunk in Love" singer, she and 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.

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“Ice grill me as long as you can. Let’s have a contest,” Beyoncé tells the “Anaconda” rapper while she struggles to keeping a straight face. “I have a feeling I’m gonna crack first.”

Ice Grill

Let's see who cracks first...

Posted by Beyoncé on Monday, October 26, 2015

The black and white video showcased the two mega-stars appearing to have a great time during their ice face battle, while their dancers cheered them on in the background.

Proving practice makes perfect, the pair slayed their live performance last week, causing fans to go wild.

The show was so epic, even Nicki fangirled out.

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"Oh my god, when Beyonce came out, you could feel it," she told ET backstage after the performance. "It was electrifying. The place went nuts. It was like shaking, like, it was so insane -- and I was excited as a fan, too. Like, I was excited that they were about to experience this, because both of our fans have been threatening us online, saying that if we didn't perform together, they were going to hunt us down."

But it wasn't just her performance that had people talking that night. The star shut down her assistant on the red carpet after she wouldn't stop fussing with her outfit.

Now check out the amazing X-Men costume she wore for Ciara’s superhero birthday party in the video below.