PARIS, FRANCE - MARCH 10: Yves Saint Laurent Beauty With Cara Delevingne Celebrating The Luxurious Mascara For A False Lash Effect at Galeries Lafayette on March 10, 2015 in Paris, France. (Photo by Julien Hekimian/WireImage)
PARIS, FRANCE - MARCH 10: Yves Saint Laurent Beauty With Cara Delevingne Celebrating The Luxurious Mascara For A False Lash Effect at Galeries Lafayette on March 10, 2015 in Paris, France. (Photo by Julien Hekimian/WireImage)