Best Actress Oscar winner Jennifer Lawrence in full princess mode on the red carpet, followed by a slinky little number at the Vanity Fair party.

Hilary Swank hasn't been in anything for ages, but she hasn't lost her touch.

Amanda Seyfried - in ice pink on the red carpet and in fire-engine red at the Vanity Fair party.

What a difference a dye makes. Yes, that elegant brunette is Britney Spears, on her way to an Oscars bash.

Anne Hathaway in the now-famous Les Nipperables number at the Oscars ceremony - and in a somewhat more serious number at the Vanity Fair Oscars party.

Naomi Watts - at the Oscars - and afterwards. Which dress do you like best?

Kim, left, and Kourtney Kardashian work it at an Oscars bash.

Kourtney Kardashian, Kim Kardashian, Kelly Osbourne and Miley Cyrus... look like they're having fun, don't they?

Miranda Kerr and Orlando Bloom doing what they do best - posing for the cameras - en route to the Vanity Fair Oscars bash.