
The Best-Dressed Stars This Week: 5/10/13

From Heather Graham's burgundy sequin dress to Rihanna's bright street style—these are the stars that looked the chicest this week!
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1. Abby Elliott at the 'Star Trek Into Darkness' New York Screening

Wearing a long blue dress with cut outs to the screening.
2. Rihanna Out and About in NYC

Wearing a short turquoise skirt and patterned skirt with nude heels.
3. Heather Graham at Vegas Magazine's 10th Anniversary Party

Wearing a Donna Karan dress, H.Stern Zephyr ring, and Jean- Michel Cazabat “Emma” pointy toed pumps in burgundy velvet.
4. Jennifer Lopez at the United Nations Foundation "Mom + Social" Event
- Kendall and Kylie Jenner Accused of Copying Sofia Richie's 'Old Money' Style: 'Have Some Originality'
- Mila Kunis Rocks Casual Look in Pinstriped Top and Ripped White Jeans on L.A. Outing After Ashton Kutcher Calls Himself 'the Luckiest Man Alive'
- Machine Gun Kelly Repped Company Files Police Report After 83,000 Pairs Of Celeb-Branded Underwear Go Missing

In a black L’Wren Scott Fall 2012 dress, Michael M. earrings, and Le Vian and Demarco rings.
5. Lake Bell at the 'Black Rock' Premiere

Lake is wearing a Lyn Devon dress, an Edie Parker clutch, and Stuart Weitzman shoes.
6. Stacy Keibler at the A+E Network 2013 Upfronts

Stacy wore a Monique Lhuillier garnet leather sculpted dress from the Spring Summer 2013 collection.
7. Roselyn Sanchez at the A+E Network 2013 Upfronts

Looking absolutely gorge in a bright yellow dress.