Tamar Janine Reilly (born September 19, 1963), known professionally as Alexandra Silk, is an American pornographic actress and adult model.​She was already 33 when she joined the adult entertainment industry in 1996. A graduate of the State University of New York at Albany, Silk began her adult entertainment career as a stripper in Las Vegas. During this time she met porn star Jenna Jameson, who advised her on how to enter the pornographic industry. Silk later made her way to Hollywood, where she met Ron Jeremy, who in turn introduced her to industry executives. During the course of her career she married porn director Luc Wylder.

Her measurements come at 34-24-32.