Kate Winslet dazzled in a low-cut dress as she received an honorary award from film director Michel Gondry at the Cesars.
The mother-of-two showed off her décolletage in the sequinned Jenny Packham affair.
Also winning big at France's answer to the Academy Awards was silent film The Artist which picked up six awards including best picture, best actress and best director.
Just two days before the Oscars, co-star Berenice Bejo and director Michel Hazanavicius took top honours at the Cesar awards.
Best actor honours went to Omar Sy, star of the blockbuster feel-good movie Intouchables (Untouchable).
He notably beat The Artist star Jean Dujardin who won the category at Cannes, the Golden Globes and the Baftas - and is among the best-actor nominees at the Oscars.
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