Miss Universe 2011 contestants show off their national costume outfits ahead of the pageant, whic border="0" id="4139280" md5="" src="../../attachement/jpg/site1/20110913/0013729e46ae0fd94af400.jpg" alt="Miss Universe 2011 national costumes"/>

Miss Universe 2011 contestants show off their national costume outfits ahead of the pageant, which will be held in Sao Paulo on 12 September. Miss Mexico, Karin Ontiveros, wears a purple sequinned number which incorporates Mexican imagery such as a crystal skull.