Julie Gayet, the woman outed as French President Francois Hollande's lover, on Friday arrived at France's top film awards in her first high-profile appearance since news of the affair broke.Gayet, 41, who is nominated in the best supporting actress category at the Cesars, France's Oscars, has kept a low profile since the revelation in mid-January, which prompted an end to Hollande's long-term relationship with Valerie Trierweiler, the country's de-facto first lady.