Celebrity Family: Who's Your Sister?

Jessica & Ashlee Simpson: Look like opposite sisters. One is a little grunge, the other a perky pop star!

Jamie Lynn and Britney Spears: Walking out of Subway holding a puppy?
It's that a footlong?

Those Krazy Kardashians Kids: Kim Kardashian, Kourtney Kardashian and Khloe Kardashian

Mary-Kate & Ashley Olsen: They are sisters, but they look better with clothes on.

Hilary and Haylie Duff: We all know who Hilary is, but what has Haylie done lately?

Ali & Lindsay Lohan: Celebrity Sisters Shopping Around Town! What's more fun than that?

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Mary Kate Olsen: What Happened?

There have got to be some real issues with Mary Kate Olsen. How can you a celebrity from...like...BIRTH and go around looking like the "homeless of Hollywood"?

Not to mention, she looks like she's being chased by PETA!