Just days after saying she wouldn't break the new Cannes Film Festival dress code, Halle Berry walked the red carpet for the premiere of Mission: Impossible — The Final Reckoning...wearing a big, voluminous dress with a train—two things explicitly forbidden according to the new rules.

The "Monster's Ball" actor revealed exactly which part of her dress made her look ineligible for the red carpet.

Obviously, Halle Berry could make a paper bag on the red carpet work, but that doesn't mean it wasn't a pain for her to have to change Cannes outfits at the last minute. According to Reuters, due to the Cannes Film Festival's new dress code,