Perhaps it's a way to shield themselves from the roving lenses of paparazzi photographers, or maybe it has something to do with the freak weather we've been experiencing across the globe, but celebrities are making good use of their trilbies. Worn cocked over one eye as per Madonna at Live Earth, or pushed right down over their brows, a la Victoria Beckham, these structured hats are just as popular for women as for men (male fans include Justin Timberlake and Jude Law). If you're in the market for a hat like this, make sure it's fitted properly to your head — there's nothing more annoying than fussy headwear.

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