Best Dressed: Nicole Richie's in Top Form

1. 091208 Best Dressed Nicole Richie

Nicole Richie never fails to participate in fashion to the fullest—even if that means sporting a sparkly foreheadband, tulip skirt and bandagey sandals at Marc Jacobs—all together. Work it, Nicole!

2. 091208 Best Dressed Eva Mendes

Eva Mendes wears a forest-hued column dress oozing with elegance along with chic gold sandals peeking below the dress at the Calvin Klein party—a multi-million dollar extravaganza that set off Fashion Week.

3. 091208 Best Dressed Zoe Saldana 1

Wearing a feminine white tulle skirt, Zoe Saldana looked stunning at the Monique Lhuillier show in NYC. The skinny black belt kept the look from being too girly.

4. 091208 Best Dressed Zoe Saldana 2

Earlier in the week, she rocked the front row of the Jill Stuart show in this plunging azure dress. The clutch and the heels are too perfect!

5. 091208 Best Dressed Jennifer Lopez

The ever-shrinking Jennifer Lopez arrives at Oscar De La Renta's show in a very Oscar worthy dress: strapless, black drama.

6. 091208 Best Dressed Christina Milian

At the Zodiac Show in Hollywood, Christina Milian goes uber-skimpy in this slinky, zebra striped dress—or is that just a long shirt?

7. 091208 Best Dressed Cassie

Cassie looks like she walked right off the runway in this gorgeous purple printed dress at the "Fallen Shadows" screening presented by Prada in NYC. Love the way the skirt is gathered and pleated.

8. 091208 Best Dressed Ana Ortiz

Ana Oritz in a classic Asian-inspired Vivienne Tam cloud print at the Vivienne Tam show in NYC.

9. 091208 Best Dressed Christina Aguilera

Wearing a stunning, bejeweled strapless gown that emphasized all her grown-up curves, Christina Aguilera debuted a flattering new haircut at the MTV VMA's in Los Angeles. A nice change!