Stars Dressed As Stars -- Hollywood Is Seeing Double

Halloween is the perfect time to get into some crazy characters ... luckily Hollywood is full of them, and there's really nobody else that can pull off an A-list costume better than another celebrity and their good looks!

Scroll through our gallery of stars like Paris Hilton as Miley Cyrus, Kylie Jenner as Christina Aguilera and Beyonce as Lil' Kim to see which stars switched up their famous facades for the Halloween season.