Cristiano Ronaldo and Irina Shayk apparently don't need to be together all of the time to make their relationship work. Ronaldo reportedly skipped his girlfriend's big Hercules premiere in Los Angeles to party in Las Vegas, but it didn't seem like Shayk missed him all that much.

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According to Page Six yesterday, Ronaldo was spotted in Vegas last week when Shayk was premiering her film. The website reported that Ronaldo was seen wearing a "tiny orange bathing suit at a private bungalow pool at Encore Beach Club, with Knicks star J.R. Smith" and bikini-clad women nearby.

A source said that this didn't affect his relationship with Shayk. "They're still together. He was booked [for Vegas] prior to the premiere date. They'd just spent two weeks in Greece together."

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Page Six also reported that Shayk partied on her own afterwards. Last Saturday, Shayk reportedly attended male model Chad White's 30th birthday bash at Fire Island Pines gay club Sip N Twirl.

Ronaldo is currently in Dallas, Texas as he watched his team Real Madrid lose to Roma in a pre-season "friendly" match. Ronaldo didn't play in the game in the United States due to an injury that plagued him during June's World Cup.

Shayk has been busy all month on her own promoting Hercules and her new Vogue Brazil cover, where she stuns in a gold crop-top.