Irina Shayk goes from flip-flops to heels for her close-up as she sizzles in backless dress

The pressure of looking perfect at all times can be difficult for even the most professional models.So it was no surprise to see Irina Shayk giving in to the pressure today as she arrived at the FOX studios in New York wearing a pair of black flip-flops, before changing into peep-toe heels for her close-up after having her hair and make-up done.Regardless of her change in footwear though, Irina