Halloween Costume Round Up: Celebs Dressed Up As Other Celebs

Constance Jablonski as Britney Spears

Opps... we thought she did it again. Britney Spears , Victoria Secret's Model, Constance Jablonski teased us with a comeback performance as she channeled her inner Britney Spears, circa her Toxic days. Donning a skin tight red bodysuit and signature microphone headpiece, Constance proves she's just not that innocent. [Photo via]