Style Showdown: Kristen Stewart vs. Emma Watson vs. Natalie Portman

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This winter, the cool kids in Hollywoodnamely Kristen Stewart, Emma Watson and Natalie Portmanare staying warm and stylish in parkas.

Not just any old parka, but Ralph Lauren's cute yet utilitarian Denim & Supply Co. chino cotton field jacket with a removable faux fur collar.

PHOTOS: Fashion Spotlight: Kristen Stewart

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K.Stew's been spotted in London sporting the topper sans the collar, natchfaux-fur's just too girlie-girl for this tomboy! Robert Pattinson's ladylove wore her jacket over skinny jeans, a pair of black Nike kicks and a big black backpack.

Also rocking the same coat across the pond was the erstwhile Harry Potter star, who kicked off her first day at Oxford University in a plaid button-up, light-blue jeans, brown boots and a beige tote bag. So cute!

PHOTOS: Fashion Spotlight: Emma Watson

New mama Natalie was spotted just over the weekend in the trendy coat. Aleph's mom kept her look no-fuss in a loose-fitting jeans, sneakers and h! er carry -on bags.

So which A-list actress wears this jacket best, the brand-new vampire, the witch or the Black Swan? Weigh in below!

PHOTOS: Bitch Stole My Look!