Beyonce in a graphic black-and-white crepe jumpsuit by Osman Studio. (EPA / Los Angeles Times)
Jennifer Lopez in Anthony Vaccarello. She took the stage to give out the first award of the Grammys, struck a pose and noted that she “got the memo” about the dress code. (Kirk McKoy / Los Angeles Times; Mike Nelson / EPA)
Kelly Rowland in a black Georges Chakra gown with geometric mesh panels down the front and sides. (Jordan Strauss / Invision / AP)
Alicia Keys wearing an Azzedine Alaia dress, Jimmy Choo shoes, and Lorraine Schwartz jewelry. (Jordan Strauss / Invision / AP)
Florence Welch in custom Givenchy. (Jason Merritt / Getty Images; Kirk McKoy / Los Angeles Times)
Kaley Cuoco is wearing an Amen black tuxedo jacket with a Stark “Brilliance” clutch. (Christopher Polk / Getty Images for NARAS)
Natasha Bedingfield in a red Emerson gown. (Christopher Polk / Getty Images for NARAS)
Kat Dennings in Vivienne Westwood. (Christopher Polk / Getty Images for NARAS)
Katy Perry took inspiration from Priscilla Presley in the 1970s, wearing a long-sleeve mint green gown by Gucci. (Jordan Strauss / Invision / AP)
Allison Williams in Kaufman Franco design. (Jason Merritt / Getty Images)
Ashanti in Tony Ward Couture. (Kirk McKoy / Los Angeles Times; Mike Nelson / EPA)
Taylor Swift in J. Mendel. (Kirk McKoy / Los Angeles Times; Christopher Polk / Getty Images)
Faith Hill in J. Mendel. (Jason Merritt / Getty Images)
Adele in a Valentino print dress. (Christopher Polk / Getty Images for Recording Academy)
Nicole Kidman in a Vera Wang dress, L’Wren Scott shoes, Fred Leighton jewelry, and a clutch by Roger Vivier. (Jordan Strauss / InvisionAP)
Alexa Chung in Valentino. (Mike Nelson / EPA)
Miranda Lambert in Roberto Cavalli. (Christopher Polk / Getty Images for Recording Academy)
Carly Rae Jepsen in a Roberto Cavalli dress, Jerome C. Rousseau shoes and H. Stern jewelry. (AFP / Getty Images / Associated Press)
Kelly Osbourne in a Paule Ka dress and H. Stern jewels. (Kirk McKoy / Los Angeles Times)
Karlie Kloss in Michael Kors. (Mike Nelson / EPA)
Estelle wears a Love Collins and Janelle Brooks bold print dress she helped design. (Frederic J. Brown / AFP / Getty Images )
Carrie Underwood in Roberto Cavalli. (Christopher Polk / Getty Images for Recording Academy)
Janelle Monae in a Moschino tuxedo jacket, one of her signature menswear-inspired looks. (Kirk McKoy / Los Angeles Times; Frederic J. Brown / Getty Images)
