Celebrities attended fashion's most glamorous night at the 2016 Costume Institute Gala inside the Metropolitan Museum of Art in New York City. This year's theme is "Manus x Machina: Fashion In An Age Of Technology."
Last night, Taylor Swift looked colorful in Atelier Versace as she scooped up awards at the Grammys in Los Angeles. Elsewhere, Colin Firth, Lauray Lineney and Jude Law premiered their new movie, Geniu at the Berlin Film Festival.
Demi Lovato, Gwyneth Paltrow, Kate Hudson and other celebrities attended Stella McCartney's Autumn 2016 Collection Event at Amoeba Music in Hollywood. Meanwhile, Selena Gomez and Mariah Carey attended the 6th Biennial UNICEF Ball in Beverly Hills.
Justin Bieber was tootin' around West Hollywood this weekend as reports of his tryst with Kourtney Kardashian emerged. Such fun! Meanwhile, a healthy-looking Amanda Bynes went to a holiday party, and Prince Harry paid a visit to a hospital dedicated to finding a cure for AIDS.
While Laverne Cox and Luanne de Lesseps attended opening night of 'School of Rock,' Prince William played football for a good cause. Check out what else your favorite stars were up to in our sightings gallery.