The Best-Dressed Stars This Week: 7/19/13

From Hailee Steinfeld in Bibhu Mohapatra to Estelle in Topshop—these are the chicest celebs this week!

Estelle wore a Topshop dress and beanie to the WE tv Premiere Screening For "Sanya's Glam & Gold."

Catherine Zeta-Jones wearing Michael Kors at a screening of Red 2 in New York City.

Gabrielle Union attended the 2013 ESPY Awards in Los Angeles, wearing a LBD, earrings by EF Collection and a ring by Graziela Gems.

Ashlee Simpson wore an ASOS Blouse with Fringed Yoke while visiting the Elizabeth Arden Beautiful Color Lip Lounge in Los Angeles, CA.

Hailee Steinfeld wore a green and blue-printed, long-sleeve top and printed geometric skirt from the BIBHU MOHAPATRA Resort 2014 Ready-to-Wear collection with Robert Clergerie 'LULABY' heels to the Summit Entertainment Party held at Comic Con International 2013.

Stacy Keibler wore a knit top with a silk, stripe skirt and raffia belt from Christian Siriano’s 2014 Resort collection, and Rupert Sanderson shoes to Good Morning America.

In a Thakoon Addition Resort 2014 cocktail dress at the L’Oreal USA Women In Digital NEXT Generation Awards in New York.

Lyndsy Fonseca wore a Maria Lucia Hohan dress, Diane von Furstenberg shoes, and an ASHLYN’D clutch to Comic-Con 2013.

Alyssa Milano wore a Ramy Brook outfit at the MLB.com All Star Bash.

Zoe Kravitz attended the Summit Entertainment Party at Comic Con wearing a black sleeveless jumpsuit with leather detail from the Spring/Summer 2013 OSMAN by Osman Yousefzada collection and an Anita Ko ear cuff.