The Best-Dressed Stars This Week: 7/12/13

From Diane Kruger in Jonathan Saunders to Catherine Zeta-Jones in Maria Lucia Hohan—these are the most stylish celebs.

Living for Diane Kruger in this green ombré Jonathan Saunders gown from the Resort 2014 collection. The actress wore the dress to the premiere of her new FX show The Bridge.

Emma Roberts attended the Persol Magnificent Obsessions Opening event in NYC, wearing a cream shorts suit, Schutz heels, and yellow gold earrings and a ring by Dana Rebecca Designs.

How amazing is this floral Carolina Herrera gown Emmy Rossum wore to the Persol event this week?! Stunning.

Kate Hudson attended the Novak Djokovic Foundation Gala Dinner wearing an Elie Saab chocolate brown chiffon dress with a high-low hemline and embellished details. #GorgeousAward!

Naomi Harris was red-carpet-ready in a LBD with Edie Parker’s 'Jean' clutch at the launch of the 'Fashion Rules' exhibition at Kensington Palace.

Olivia Munn looked so sweet in this aqua-colored Armani Exchange dress outside of Live! With Kelly And Michael!

Rocking an orange striped dress and Coach Legacy Mini Tanner in bright coral at Wimbledon, Pippa Middleton was the epitome of British chic.

Catherine Zeta-Jones wowed in a Maria Lucia Hohan gown and Jerome C. Rousseau 'Zell' heels at the Red 2 premiere.

G's green, fitted frock was the perfect dress for a day promoting her show with hubby Bill Rancic at the Grove in Hollywood, CA.