Cartier celebrated 100 years in America with a big celebrity turnout at the 5th Avenue store in NYC last night. Ladies like Jessica Biel, Demi Moore, Kate Hudson and Anne Hathaway all let their hair flow in their dark dresses. Justin Timberlake also showed off his fashion chops though on Monday the number one model for his William Rast line will be Jessica at the Costume Institute Gala. After a momentary post-award season lull, the red carpet world is getting exciting again and it looks like all the ladies are more than ready for the spotlight after a little bit of a vacation.

To see more from the party including Zac Posen, Rachel Zoe, Eva Mendes and others just


Images include: Jessica Biel, Kate Hudson, Zac Posen, Rachel Zoe, Eva Mendes, Martha Stewart, Anne Hathaway, Demi Moore, Rachel Weisz, Justin Timberlake, Elton John, Dylan Lauren