“A Celebration of Women” is a special Mother’s Day event at the upscale Bra Smyth on the Upper West Side. It’s sponsored by the fine French lingerie brand Simome Perele and the lingerie trade publication The Lingerie Journal. Professional bra fitters will be on hand to advise on the perfect fit, and seamstresses will be available for expert alterations. Gift bags will be distributed to the first fifty guests, and all purchases receive a free gift. There’s also a raffle for a Grand Prize basket filled with intimate underthings worth more than $400. Noon to 4 p.m. Bra Smyth is 2177 Broadway, at 77th Street.