We usually avoid the dreaded hat head at all costs, but we're reconsidering after seeing stars like Christina Aguilera and Jessica Alba in their knit beanies. The cap can invoke a look that's urban chic or Parisian sophisticate. Plus, decorating it with pins to complement your outfit is loads of fun. Try a girly garnish or sassy sparkle—and show some hair underneath to give the rugged headpiece a healthy dose of feminine flair.

Shop the steals and splurges gallery below for our knit picks!