Meanwhile, sister Ashlee Simpson has been topping herself off with a funky Burberry newsboy cap during recent outings.

Who needs a designer jacket? Definitely not Matthew McConaughey, who's been keeping warm with his down-home plaid jacket.

Madonna's oversized leather carryall has been on a tour of duty, toting Her Madgesty's goods in London and Paris.

She's always trying out new looks, but the one constant for mom-to-be Gwen Stefani has been the shearling Dior handbag she's toted all over London recently.

In Paris (for Fashion Week) and New York, Mischa Barton has been wrapping herself in her winter-white suede Dior jacket.

Dressed up on the red carpet and dressed down on the street, petite Ashley Olsen has gotten a lift from a sturdy staple – her Louboutin platform heels.

Meanwhile, sister Mary-Kate Olsen's carryall of choice has been her mint-green Balenciaga handbag.