New friends: Irina no doubt caught up with model Kate Upton at the Vanity Fair party

She teamed the one-shoulder number with strapped heels and a silver clutch bag.

She was in good company at the event and was joined by this year's cover model for SI, Kate Upton.

The pair clearly have a lot in common and get on well with one another after spending time in Las Vegas together earlier this month.

They were in attendance at the SI Swimsuit On Location event hosted by Haze nightclub at the Aria Resort and Casino.

Once again, Irina  - who is dating footballer Cristiano Ronaldo - showed off her cleavage in a low-cut jumpsuit.

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