
The Best-Dressed Stars This Week: 7/5/13

Jan. 28 2015, Updated 6:40 p.m. ET
From Kristen Stewart in Zuhair Murad to Sandra Bullock in Alberta Ferrerti, these chic celebs topped our most stylish list this week!
Kristen Stewart

KStew rocked some pretty major looks while attending the couture shows in Paris, but this black, Zuhair Murad bustier and beaded pants combo was by far our favorite.
Mariah Carey

And the lady in red award for the week goes to none other than Mariah herself.
Michelle Obama

Now this is how you do First Lady style. Michelle opted for a blue and white printed dress on America's birthday (and daughter Malia's!) and completed the look with red flats. How very patriotic.
Minnie Driver
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Living for Minnie Driver in this abstract ombré dress.
Miranda Kerr

Hot summer days in NYC call for a relaxed caftan-esque dress à la Miranda's and comfy-meets-cool flats.
Naomi Campbell

Just a little maxi moment for a holiday in Spain.
Sandra Bullock

Sandy shuts it down once again! This time in an Alberta Ferretti sleeveless, sheer top and matching pants.