UFC 157 Photo Shoot: Behind the Scenes with Ronda Rousey and Liz Carmouche

Although Ronda Rousey had plenty of bad blood with the last challengers to her Strikeforce women's bantamweight title, Liz Carmouche is all smiles.

During a recent photo shoot (via Fight Hub TV) for the upcoming UFC 157: Primetime series, Rousey could barely keep a straight face when taking pictures with her opponent, as Carmouche disarmed the steely champion with an unusual tactic.

As Carmouche told the Fight Hub TV camera crew, "I was just saying whatever they said, and turning it into something sexual."

It seemed to work well enough, as Rousey continually cracked up during the session despite trying to maintain a fierce "game face" for the shoot:

"

She's a smart chick, dude. She's smart, because if she was getting in my face it would get me more riled up. [But,] she was making me bust up laughing. She's smart.

"

Getting friendly with the champ might be the wisest move that Carmouche could make.

As former Strikeforce fighter Miesha Tate learned the hard way, aggressively getting in Rousey's face is definitely a bad idea, especially if you don't want to get your forehead shoved in during a tense stare-down (via Integrated Fitness).

Rousey and Carmouche will headline UFC 157 on Feb. 23 at Anaheim's Honda Center, with the card highlighted by the upcoming three-part Primetime series. Episode 1 will debut on Friday, Feb. 8 at 9 p.m. PT/12 a.m. ET on Fuel TV.