Kate Middleton's Wedding Dress by Sarah Burton for Alexander McQueen

3:26 AM PDT 4/29/2011 by Mimi Turner

The designer’s identity has been one of the best kept secrets in recent media history.

LONDON – As the bookies predicted, Kate Middleton‘s wedding dress has been designed by fashion designer Sarah Burton for British fashion House Alexander McQueen. The lace-sleeved “v-necked” ivory silk and gown with a corset basque, full skirt and 20ft train provoked gasps of admiration as Kate arrived at Westminster Abbey. PHOTOS: What Kate Middleton and famous guests wore to the wedding