Stacy Ferguson Legs. Stacy Ferguson (age: 43), professionally known as Fergie, is an American singer, tv host and actress known as a member of The Black Eyed Peas. Looking for specific images of Stacy Ferguson and other hot celebrities? Sep 14, - Stacy Ann Ferguson is a singer, a songwriter and an actress, better known by her stage name, Fergie. Across her career, Stacy has done quite.