Rachel McAdams's Revealing Dress: Chic Or Shriek? (PHOTOS, POLL)

01/11/2011 06:03 pm ET | Updated May 25, 2011

What a difference two days make! On Sunday night, Rachel McAdams wowed at the premiere of "Morning Glory" in Berlin in a long, crimson gown...and on Tuesday evening she turned heads in London, but for another reason: an ill-fitting Suno frock with a plunging neckline.

We have so many questions about Rachel's look: was she aware she was flashing a little too much skin? Wasn't she cold? But mainly: why, oh, why? Take a look and tell us what you think.