A bunch of famous faces were at the opening of Strega Prime in Woburn on Sunday night. Restaurateur Nick Varano’s guest list for the party included Oscar-nominated actor Richard Jenkins, Fallon Company CEO Joe Fallon, politican Charlie Baker, nightlifer George Aboujaoude, “Uncle Nino” from MTV’s “Jersey Shore,” and former “Sopranos” stars Steven Van Zandt, Steve Schirripa, John Fiore, and Vincent Curatola. Entertainment was provided by the Midtown Men, which features four original cast members from Broadway’s “Jersey Boys.” . . . Robert Downey Jr., who’s in town to film “The Judge,” took his family to eat at Stephanie’s on Newbury Street this weekend. . . . Rapper T.I., who was in town for a Sunday show at the Comcast Center, partied at Cure on Sunday and then met up with Boston’s own Clinton Sparks at the Ritz on Monday.