Once again, the commentary is NSFW, but once again, they so deserve it.

Miss Universe 2012 National Costumes, Part 1 my favorite is the commentary for the Dominican Republic)
Miss Universe 2012 National Costumes, Part 2
Miss Universe 2012 National Costumes, Part 3 (but Venezuela wins the things on top her head category)

By the way, here's your dress made of LEGO.

And for completeness, because I forgot to link to it last year:

Miss Universe 2011 National Costumes, Part 1
Miss Universe 2011 National Costumes, Part 2