Irina Shayk strips down to bikini for shoe ad

London: Irina Shayk`s new ad for a shoe company sees the Sports Illustrated model strip down to her underwear.

The new campaign for Spanish footwear company Xti, have enlisted the smoldering skills of footie ace Cristiano Ronaldo `s girlfriend to promote their Spring/Summer range, the Mirror reported. The Russian supermodel spends most of the shoot posing in a variety of tiny bikinis, whilst modelling the shoes. In one shot, she poses lying down in a chic black bikini with a simple white shirt and a pair of pale blue heels. Shayk models an array of bright bikinis, from red polka dots and ruffled purple to sunshine yellow. In another shot, she poses with hot Cuban male model Juan Betancourt between her legs. ANI