Supermodel Kate Upton looks smokin’ hot on the November cover of Cosmopolitan, talking about what she thinks is sexy.

Kate Upton on What's Sexy to Her: 'Messy Hair'
Kate told the mag, “To me, what’s sexy is when you look like you’re having a good time. That, and when you look effortless and have messy hair.”

As for her own style, Upton admitted, “I’m a little bit of a mix – a girlie girl and a tomboy. When I’m in a city, I’m girlie. But when I’m around a barn, I turn into a tomboy.”

The November issue hits newsstands October 9.