The Hannah Montana star kicks off the celebration early on the The Ellen DeGeneres Show. Plus: Beyoncé, Posh & Eva and more

DRESSES TO IMPRESS

They're posh, indeed! Victoria Beckham helps fete pal Eva Longoria Parker at a bash Tuesday celebrating the Desperate Housewives star's November cover of Allure magazine at her Hollywood restaurant Beso. Also toasting her at the dinner: Felicity Huffman, Heidi Klum and Rosario Dawson.