When picking a name for her adult career, she has said that Sunny is her real name and Leone was picked by Bob Guccione, former owner of Penthouse magazine. She posed for Penthouse magazine, and was named Penthouse Pet of the Month for the March 2001 issue, followed by a feature in the Holiday 2001 edition of Hustler magazine as a Hustler Honey. She has also appeared in other magazines including Cheri, Mystique Magazine, High Society, Swank, AVN Online, Leg World, Club International and Lowrider, while her online credits include ModFX Models, Suze Randall, Ken Marcus and Mac & Bumble.