The hottest sporting buzz: Ronaldo's 'topless' girlfriend joins campaign

Real Madrid star Cristiano Ronaldo’s ravishing girlfriend, Irina Shayk recently posted a topless picture of hers on Twitter whilst joining the social media campaign demanding Islamic terrorists should return hundreds of kidnapped Nigerian schoolgirls.

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Shayk was criticized by several Twitter users as she covered her modesty with the piece of a cardboard, which had ‘bring back our girls’ written on it.

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The Sports Illustrated model joined the campaign after Angelina Jolie, Michelle Obama and Cara Delevingne became a part of it.

The 28-year-old Russian model has been dating the footie ace since 2010.