We've always asked this about Sarah Jessica Parker, so it makes sense that it's the title of her new film! Check out the trailer for the upcoming film, I Don't Know How She Does It.
But SJP isn't the only big star in this film, based on the book by Allison Pearson.
Pierce Brosnan, Greg Kinnear, Kelsey Grammer, Christina Hendricks, Olivia Munn, Seth Meyers and Jane Curtin also help make this film look good!
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According to Coming Soon, I Don't Know How She Does It is about hedge-fund manager/wife/mother of two, Kate Reddy, who is struggling to keep her life in order. The film is set to hit theaters Sept. 16.
Watch the trailer, below!