Celebrity Mad Hatters

Teeny toppers! Plaid newsboys! Straw boaters! See the hip headwear stars like Gwen Stefani, AnnaLynne McCord and Lauren Conrad are loving

SIDEWAYS BASEBALL HAT

Paging the Fresh Prince of Bel-Air: Baseball caps worn off-center have a definite devil-may-care flair, fitting for a star like Rihanna.