Eva Longoria and Felicity Huffman party at Elton John's AIDS benefit. Plus: Beyoncé, Hilary Duff, Britney Spears and more

GIRL'S BEST FRIENDS

Before getting gussied up for the Oscars, Jessica Simpson hits the stores Sunday in Calabasas, Calif., with puppy Daisy on her arm. Later, husband Nick Lachey was her date at the Vanity Fair party, where they hung with friend Jamie-Lynn DiScala and her husband, A.J.