The Friday Party Report

Cartier celebrated its 100th anniversary in New York last night with a big bash inside its Fifth Avenue store. The celeb-heavy crowd included Elton John, Kate Hudson, Jessica Biel and Justin Timberlake, Anne Hathaway, Rachel Weisz, Demi Moore, Eva Mendez, Ashley Olsen, Zac Posen, Martha Stewart, Graydon Carter, Jeff…