It ain't over 'till it's over... before you begin lamenting the end of summer, remember that Labor Day is nothing more than a date on the calendar. There are plenty of warm weeks left to rock your shorts and sandals! But if you've become bored with your summer wardrobe rotation, get inspired with these stylish celeb looks worth sweating... just in time for Labor Day.

[Michelle Williams, Alessandra Ambrosio, Gwenyth Paltrow, via]