Stacy London is co-host of The Learning Channel's "What Not to Wear" and has been with the show since its first season. A Manhattan native, Stacy began her career as a fashion assistant at Vogue magazine and later returned to Condé Nast as the senior fashion editor at Mademoiselle. She has styled fashion photos for other editorial publications, including Italian D, Nylon and Contents.

She is a frequent contributor on the "Today" show and has also appeared on numerous national talk shows, including "The Oprah Winfrey Show," "Weekend Today," "The Jane Pauley Show," "The Early Show," "American Candidate," "Good Day Live" and "Access Hollywood." She graduated with honors from Vassar College with a double degree in 20th-century philosophy and German literature.

Stacy speaks regularly on the subject of style. She has also been invited to speak at Harvard University on the connection between building self-esteem and personal style. Her first book on style by body type (co-written with Clinton Kelly), Dress Your Best, was published in 2005.