Kanye West spoke at Harvard’s Graduate School of Design before his Sunday night show at the TD Garden. His fiancee, Kim Kardashian, was with him and put a photo of his appearance on Instagram. . . . Vince Vaughn, who’s in town to film “Business Trip,’’ ate at Boston Chops in the South End over the weekend. Dave Franco, who costars in the film, has also been seen around town. . . . John Travolta, in town to film “The Forger,’’ made another stop at Red Lantern. . . . World Series champ David Ortiz celebrated his birthday (which falls on Monday) with friends and family at Ballo Italian Restaurant at Mohegan Sun on Friday night. The menu included calamari, ravioli, Neapolitan pizza, and mac and cheese.