(EXCLUSIVE, Premium Rates Apply) MIAMI, FL - NOVEMBER 07: Marc Anthony and Jennifer Lopez announce Lopez's pregnancy on stage during their "En Concierto" tour November 7, 2007 in Miami, Florida. (Photo by Kevin Mazur/WireImage)
(EXCLUSIVE, Premium Rates Apply) MIAMI, FL - NOVEMBER 07: Marc Anthony and Jennifer Lopez announce Lopez's pregnancy on stage during their "En Concierto" tour November 7, 2007 in Miami, Florida. (Photo by Kevin Mazur/WireImage)