Originally from Dallas, Pennsylvania (near Wilkes-Barre), she moved to Mechanicsburg at the age of 13, and is a graduate of Cumberland Valley High School in Mechanicsburg.^[2]

Williams was featured in the Sports Illustrated Swimsuit Issues from 1992 to 1998 and was also in the 40th anniversary issue in 2004 as part of SI's Hall of Fame.^[1] A student of William Esper,^[3] she appeared in minor films such as The Dogwalker and Gangster World,^[2] and had a brief role in the feature film Jerry Maguire. Sonic Youth mention Stacey and other Sports Illustrated models in their 1992 song "Swimsuit Issue."^[4]

Williams dated Jeffrey Epstein for a few months in the 1990s. In October 2024, she accused Donald Trump of groping her in 1993 with Epstein witnessing.^[5][6]