The war between A Chorus Line costars Mario Lopez and Nick Adams continues!

We all know that Lopez stopped Adams' biceps from stealing the show, but apparently the former Saved By The Bell actor can't control everything.

Underwear company 2(x)ist had been considering Lopez for an upcoming ad campaign, however the younger Adams landed the gig.

"Mario was originally No. 1 on our radar as we planned the campaign," said an insider. "We were ready to call him with an offer, but then we saw Nick. He's younger, sexy, more interesting. On top of that, his body was crazy. We set up a meeting, and when he walked in, that was it. We never even looked at anyone else after that."

Jason Scarlatti, 2(x)ist's creative director, gave final approval. He told us, "Nick's very masculine, sexy, modern. It's totally all about his body. Mario is a good-looking guy, but Nick had it. He's up and coming, the new face of sexy. He's original. He's hot."

So hot, in fact, that we featured him on Morning Goods just this week!

The aforementioned ad, meanwhile, will debut in Out's August issue.

A Chorus Line actor Nick Adams and his biceps make Mario Lopez jealous.

See some more shots here!

People say we gays are vain, but we don't know anyone quite like straight man Mario Lopez.

The actor, who recently began playing lead choreographer Zach in Broadway's A Chorus Line, reportedly wants to be the biggest muscle man in the show - and he's making demands to ensure he faces no challengers:

[Lopez] refused to wear Zach's costume, a tan sweater with long sleeves.

It's an iconic outfit, based on that worn in real life by A Chorus Line creator Michael Bennett, and it's been worn by countless Zachs… for the past 30 years.

But "Flex" Lopez wanted to wear a brown shirt with short sleeves so that he could show off his biceps.
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The only trouble is, Flex is sharing the stage with a pair of biceps larger than his. They belong to Nick Adams, who plays Larry, the assistant choreographer.

Larry's iconic costume is a navy blue tank top with the number 17 on it… Flex, sources say, was concerned that Adams' biceps would upstage his, so he requested that Adams wear a hoodie over his tank top, which Adams does whenever he's next to Flex.

We're not that shocked to hear all this - someone as pretty as Lopez is sure to have a complex. We are surprised, however, that he has the nerve to request such changes. His biceps must not be the only big thing on him…