Regarding Teresa Ann, Courtesy Duncan Hannah

1. The white cotton panty

Because it’s so prim.

Where to Buy: Petit Bateau  Women’s low-rise panties in light rib knit No labels, bikini cut. $16.80.

Where You’ve Seen It: A staple in the photos of French spanking websites.

Agent Provocateur Demi Bra

2. The Demi Bra

Because it grazes the nipple

Where to buy: Agent Provocateur. This is the perfect bra. $110

Where you’ve seen it: If you see nipple action under a t-shirt, and she’s wearing a bra . . .it’s probably a demi.

Lou Doillon in Sabia Rossa

3. The Slinky Vintage-Style Number

Because it’s just so pretty

Where to buy: Sabia Rossa, a tiny boutique in Paris, 73 Rue des Saints-Peres. 200 Euro

Where you’ve seen it: Under tanks and gauzy T’s. This is the bra that wants to be seen.