Valérie Trierweiler, the girlfriend of French President François Hollande, has been hospitalised after a gossip magazine claimed he was having an affair with a famous actress, officials said Sunday. Trierweiler’s chief of staff, Patrice Biancone, confirmed Sunday that the 48-year-old journalist, who lives with Hollande, was admitted to a hospital in Paris for “rest and a few tests” on Friday – the same day a gossip magazine published photographs which appeared to show Hollande and his alleged mistress arriving separately at a flat near the presidential Elysée Palace for secret trysts. “She has been in hospital since Friday.