Style Watch: Jessica Chastain, Rose Byrne, and more

A week of movie premieres and store openings gives stars a chance to prove their style prowess on the red carpet.

Summer shades were still in full effect as Jessica Chastain, Rachel Bilson, and Cate Blanchett quickly established. Chastain appeared at the 2013 Giffoni Film Festival in a sweet, lacy red frock by Dolce & Gabbana, which she paired with featherlight Christian Louboutin sandals. Rachel Bilson wore a charming, sleeveless Oscar de la Renta dress in an eye-catching shade of blue to the premiere of The To Do List, while Cate Blanchett stunned in a layered, blush-pink look by Balenciaga that proved her fashion fearlessness once again. Rose Byrne chose a smart Christopher Kane dress that featured a cracked-facade pattern, while Jennifer Lopez opted for a classic look in a simple white Elie Saab frock. Finally, Blanchett makes it onto the “It” list again in an elegant, drop-waist Alexander McQueen look at the Blue Jasmine premiere. See all of their style choices in detail by clicking through the gallery above.