Celebrities wined and dined their sweethearts on Valentine’s Day just like everyone else. Matt Damon brought wife Luciana to a romantic date at the Gansevoort Park Hotel’s Asellina, where he had a bouquet of roses delivered during dinner. Bruce Willis took his wife, Emma Heming, to an intimate lunch at the Atlantic Grill near Lincoln Center, where they shared oysters and other dishes. Chelsea Clinton dined at SD26 with a gal pal, since we hear her hubby, Marc Mezvinsky, was traveling. Others chose to party it up. Giancarlo Giammetti hosted a Valentine’s Day dinner at his One Beacon Court glass penthouse for Valentino and guests including Stavros Niarchos and Jessica Hart, Chloe Malle, Vogue Italia’s Franca Sozzani, Carlos Souza and Peggy Siegal. The bash also celebrated Giammetti’s upcoming coffee-table book for Assouline, which a guest described as a “companion piece” to Valentino doc “The Last Emperor.” Guests later decamped to hear Marjorie Gubelmann (a k a DJ Mad Marj) at a Tribeca Grand Valentine’s Day party.