Estelle wore a dress from Acne, with Jimmy Choo shoes & clutch.  Her glove was vintage in honor of Michael Jackson.

PHOTOS COURTESEY OF ELEVATION PHOTOS.

Taylor Swift had a light summery frock from Cynthia Steffe with Christian Louboutins.  Her earrings were from Jack Vartanian rose gold & diamond Plisse style earrings and bracelet was Swarovski.  She carried a Lauren Merkin clutch (not pictured).  She was styled by Joseph Cassell.

Brit singer Estelle wore a Balenciaga top with an Alexander Wang skirt.  She wore YSL shoes.

She then performed in a dress from British designer Ashish, with Miu Miu shoes.  She did not work with a stylist for this event.

Taylor Swift wore a sparkly Collette Dinnigan with Louboutin peep-toe heels and carried a Jimmy Choo clutch.  Jewelry was from Lorraine Schwartz.  Taylor is styled by Joseph Cassell.

Whitney Houston wore Dolce & Gabbana to perform at Clive Davis' annual pre-Grammy party.  Whitney is styled by Timothy Snell.

Rihanna wore a dress by Roberto Cavalli.  Jewelry was yellow gold Croco cuffs and a gold & diamond ring from Hellmuth. 

Katy Perry wore a Georges Chakra dress with Louboutins and a clutch from Renee Caovilla.  Earrings were from H. Stern and ring was Zorab.  Katy is styled by Johnny Wujeck.

Miley Cyrus wore a Cavalli dress, BCBG shoes, earrings by Bochic and a ring from Amrapali.  Miley was styled by Tara Swennen.

Jennifer Hudson (pictured with Clive Davis) wore a Todd Lynn dress with a Balenciaga bag, Ferragamo shoes and jewelry by Loree Rodkin to Clive Davis' annual pre-Grammy party.  Jennifer is styled by Lisa Michelle Boyd.

Keyshia Cole wore a dress by Grai, shoes from Givenchy, clutch from Swarovski and jewels from H. Stern.

Estelle wore a Fendi top with leggings by American Apparel.  Shoes were from Halston, clutch Calvin Klein and jewelry from Noir.

Sheryl Crow wore a dress from Ports 1961 with a bag from Mary Norton, jewelry from Pratt Vintage Jewelers, with Sheryl's own shoes.  Sheryl is styled by Wendi + Nicole.

American Idol judge Kara DioGuardi wore a Nicole Miller gown to the event.