The 45-year-old star, who married Pinault in 2009, enjoys trying out new looks in a bid to catch her other half's eye.
"If you're in love with someone, you always want to conquer them anew. Even if we don't go out, I like to look nice for him. He inspires me. There are men who don't notice what you're wearing, and that's cool. But when you make an effort, Francois appreciates it so much," she told luckymag.com.
The couple now lives in Paris with their four-year-old daughter Valentina, reports contactmusic.com.
The actress also revealed her husband prefers her hair in its natural state.
"My husband, but he hates it when I have this Parisian hair! He loves my crazy just got out of the shower hair. He is like the lawyer for my thick, wild, natural hair. He's like, 'Why make it suffer?" she added.
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