Actress Kate Mara took to Caesars Palace in a princess-worthy frock.
The songstress donned a ladylike Michael Kors look in New York.
The actress wore Dior in New York.
Here, her best recent looks.
The Age of Adeline star goes bold on the red carpet.
The actress shows her dark side in Prada.
The actress wore Michael Kors in New York.
The actress donned Dior in L.A.
Alison Brie wore Prabal Gurung in New York.
Rose Byrne wore Christopher Kane in Los Angeles.
Kate Bosworth shined in New York.
An asymmetric dress from Stella McCartney’s Fall 2015 collection with gold studded Jerome C. Rousseau sandals.
This simple, sexy look was a refreshing change for Lopez, who often wears over-the-top, elaborate gowns on the red carpet.
Hailey Baldwin wore an oversized, double-breasted Dior dress in pastel pink satin.
Model Gigi Hadid wore Cameo culottes in New York.
Actress Hilary Swank wore Giambattista Valli in New York.