Katie Holmes was a vintage vixen when she attended Zac Posen's New York Fashion Week show on Monday night. Look at that red hot mama!

Dressed in a 1940s-style, pillar-box red coat from Zac Posen’s Pre-Fall 2015 collection, the former Dawson's Creek star cut a glamorous figure when she arrived at the show.

The designer spoke about his new collection, saying it was a mix of the old and new, "You’ve got to keep it surprising and add new styles and feelings to the vernacular. As an arc, we wanted the elegance of Grace Kelly meeting the spice of Chaka Khan."

He also added that looks like Katie's coat were about creating "Hitchcockian glamour to a boardroom-ready look." We love it!

Other famous faces who attended the show included Rihanna, Mary J. Blige, Kesha, Christina Hendricks, Uzo Aduba and Naomi Campbell,