Red carpet favorite Zac Posen shared his prom style tips with us! Get the designer’s advice for putting together a leading lady look » 

Dramatic off-the-shoulder LBD at Zac Posen. PS. The gown in the back

Photographed by Julia Rubin

Lady in red at Zac Posen 

Photographed by Julia Rubin

Getting theatrical with Zac Posen 

Photographed by Julia Rubin

Thanksgiving style tip: A small purse to stash your phone and makeup will help you stay organized (and look super cute!) during a family get-together. Check out more what-to-wear advice here »

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Friday morning avec the dapper Mr. Zac Posen

Photographed by Jane Keltner de Valle

Bright bow-bedecked clutch at Zac Posen

Gown fit for a princess at Zac Posen

Rainbow of gorgeous gowns at Zac Posen

Actress Kiernan Shipka is one of our best-dressed celebs of the week in an icy blue frock by Zac Posen. Check out the rest of the stars who topped our list »