Victoria Lee has done a lot of cavorting in her underwear lately.

“Oh yeah,” she says. “I just walk around in my underwear, getting comfortable. I actually went to my agency and just walked around like that, just to get used to doing it with an audience.”

Sitting in a cafe at New York’s Metropolitan Museum of Art, surrounded by shapely Chinese ceramics, Lee is considerably more covered up today, wearing a wide-striped brushed-knit Equipment mock-neck sweater, Theory pants and Saint Laurent boots. Her museum visitor sticker is stuck on her grey Isabel Marant jacket.

“My personal style is nothing too crazy. I don’t follow trends. Usually I leave more to the imagination.”

Lee is 26, five feet ten (her other dimensions are available online), with dark blonde hair, green eyes and a lower lip poised between a pucker and a pout. This year, she’s the...