Best Celebrity Style For August 22-26, 2011

This week we had our eyes on slick street style and chic party looks. Zoe Saldana caught our attention more than once for two perfectly executed — and totally different — event ensembles, while Nicky Hilton and Anne Hathaway inspired two plays on casual cool with their respective styles. Inside, we've curated more fashionable cues from the very chic Rose Byrne, the impeccably cool Ashley Olsen, and lots more. Click on for our top 10.