PARIS, Jan 19 (Reuters) - French actor Gaspard Ulliel, known for appearing in Chanel perfume ads and portraying fashion designer Yves Saint Laurent in a 2014 biopic, has died at 37 following a ski accident in the Alps, French media reported on Wednesday. Ulliel, who won a French Cesar award in 2017 for best actor for his role in "It"s Only the End of the World," a film by director Xavier Dolan, was the face of the Bleu de Chanel men"s fragrance. "French cinema is losing a huge talent, full of charm and energy," French Finance Minister Bruno Le Maire posted on Twitter. On Tuesday afternoon, Ulliel had collided with another skier on a blue ski trail, an intermediate slope, in the town of Montvalezan in eastern France, the prosecutor of nearby Albertville said in a statement. She said Ulliel was unconscious after the collision and was taken by helicopter to a Grenoble hospital, where he died on Wednesday. The other skier was unharmed.