Models will hit the red carpet runway on Greenwich Avenue between Lewis and Elm Streets.
The event will also feature a car show, presented by Mercedes-Benz of Greenwich, and ballroom dancing performance by The Arthur Murray Grande Ballroom of Greenwich.
After the fashion show, at about 7 p.m., nearly 40 stores will stay open late offering refreshments and entertainment.
Elected officials, including First Selectman Peter Tesei, will be on hand to give opening remarks.
Click here to follow Daily Voice Greenwich and receive free news updates.