Katharine McPhee graces the March 2016 cover of The Improper Bostonian. Inside the pages of the magazine, Kat stuns in a retro-inspired fashion spread. She also reflects on Idol, shooting action scenes for Scorpion, and red-carpet secrets in an exclusive interview.

Improper‘s Spring Fashion issue is available on newsstands now in the areas surrounding Boston, and you can also read Kat’s interview right here.

Check out a few highlights from Kat’s new photo shoot for Improper in the gallery below. The photos were shot by Martin Rusch, with styling by Alvin Stillwell, hair by Derek-Peter Williams, and makeup by Debra Ferullo.