0Met Costume GalaAt the Costume Institute Gala Monday night, Kate Hudson and Liv Tyler wore Stella McCartney, and Lady Gaga gave a surprise performance at dinner. VIEW OUR GALLERY of the red carpet.Updated Jul. 14, 2017 1:36PM EDT / Published May 03, 2010 7:26PM EDT Larry Busacca / Getty Images Tom Brady and Gisele BundchenLarry Busacca / Getty Images Elizabeth BanksEvan Agostini / AP Photo Thandie NewtonSonia Moskowitz Gordon / Globe Photos Oprah with Oscar de la RentaSonia Moskowitz Gordon / Globe Photos Lady GagaBilly Farrell / PatrickMcMullan.com Diane KrugerSonia Moskowitz Gordon / Globe Photos Katy PerryLarry Busacca / Getty Images Doutzen KroesDimitrios Kambouris, FilmMagic / Getty Images Margherita MissoniStephen Lovekin / Getty Images Sienna Miller and Jude LawLarry Busacca / Getty Images Naomi Watts and Liev Schreiber Sonia Moskowitz Gordon / Globe Photos Jennifer LopezEvan Agostini / AP Photo Demi MoorePeter Kramer / AP Photo Taylor SwiftSonia Moskowitz Gordon / Globe Photos Stella McCartney, Kate Hudson, Liv TylerLarry Busacca / Getty Images Anna Wintour and Bee ShafferSonia Moskowitz Gordon / Globe Photos Zoe SaldanaEvan Agostini / AP Photo Blake LivelyLarry Busacca / Getty Images Mary J. BligeLarry Busacca / Getty Images Kristen StewartStephen Lovekin / Getty Images Mick Jagger and L'Wren ScottLarry Busacca / Getty Images Barry Diller and Diane von Furstenberg UPI / Newscom Kate BosworthEvan Agostini / AP Photo Donna KaranLarry Busacca / Getty Images Marion CotillardLarry Busacca / Getty Images Emma Watson and Christopher BaileySonia Moskowitz Gordon / Globe Photos Sarah Jessica ParkerSonia Moskowitz Gordon / Globe Photos Brooke Shields and Michael KorsSonia Moskowitz Gordon / Globe Photos Gwen StefaniSonia Moskowitz Gordon / Globe Photos Renee ZellwegerPeter Kramer / AP Photo Anne HathawayStephen Lovekin / Getty Images Chloe Sevigny Sonia Moskowitz Gordon / Globe Photos Donatella VersaceLarry Busacca / Getty Images Tina FeyEvan Agostini / AP Photo Kirsten DunstSonia Moskowitz Gordon / Globe Photos Kerry WashingtonSonia Moskowitz Gordon / Globe Photos Claire DanesSonia Moskowitz Gordon / Globe Photos January JonesEvan Agostini / AP Photo Christina HendricksLarry Busacca / Getty Images Whoopi Goldberg and Andre Leon TalleyLarry Busacca / Getty Images Katie CouricPeter Kramer / AP Photo Eva MendesSonia Moskowitz Gordon / Globe Photos
Tom Brady and Gisele BundchenLarry Busacca / Getty Images Elizabeth BanksEvan Agostini / AP Photo Thandie NewtonSonia Moskowitz Gordon / Globe Photos Oprah with Oscar de la RentaSonia Moskowitz Gordon / Globe Photos Lady GagaBilly Farrell / PatrickMcMullan.com Diane KrugerSonia Moskowitz Gordon / Globe Photos Katy PerryLarry Busacca / Getty Images Doutzen KroesDimitrios Kambouris, FilmMagic / Getty Images Margherita MissoniStephen Lovekin / Getty Images Sienna Miller and Jude LawLarry Busacca / Getty Images Naomi Watts and Liev Schreiber Sonia Moskowitz Gordon / Globe Photos Jennifer LopezEvan Agostini / AP Photo Demi MoorePeter Kramer / AP Photo Taylor SwiftSonia Moskowitz Gordon / Globe Photos Stella McCartney, Kate Hudson, Liv TylerLarry Busacca / Getty Images Anna Wintour and Bee ShafferSonia Moskowitz Gordon / Globe Photos Zoe SaldanaEvan Agostini / AP Photo Blake LivelyLarry Busacca / Getty Images Mary J. BligeLarry Busacca / Getty Images Kristen StewartStephen Lovekin / Getty Images Mick Jagger and L'Wren ScottLarry Busacca / Getty Images Barry Diller and Diane von Furstenberg UPI / Newscom Kate BosworthEvan Agostini / AP Photo Donna KaranLarry Busacca / Getty Images Marion CotillardLarry Busacca / Getty Images Emma Watson and Christopher BaileySonia Moskowitz Gordon / Globe Photos Sarah Jessica ParkerSonia Moskowitz Gordon / Globe Photos Brooke Shields and Michael KorsSonia Moskowitz Gordon / Globe Photos Gwen StefaniSonia Moskowitz Gordon / Globe Photos Renee ZellwegerPeter Kramer / AP Photo Anne HathawayStephen Lovekin / Getty Images Chloe Sevigny Sonia Moskowitz Gordon / Globe Photos Donatella VersaceLarry Busacca / Getty Images Tina FeyEvan Agostini / AP Photo Kirsten DunstSonia Moskowitz Gordon / Globe Photos Kerry WashingtonSonia Moskowitz Gordon / Globe Photos Claire DanesSonia Moskowitz Gordon / Globe Photos January JonesEvan Agostini / AP Photo Christina HendricksLarry Busacca / Getty Images Whoopi Goldberg and Andre Leon TalleyLarry Busacca / Getty Images Katie CouricPeter Kramer / AP Photo Eva MendesSonia Moskowitz Gordon / Globe Photos