The couple, who tied the knot last month, excitedly announced on Twitter that they are expecting a third child on American Independence Day, reported Ace Showbiz.
"Happy birthday America, more good news, Matthew and I are expecting our 3rd child, God bless, just keep livin," Alves posted.
McConaughey followed a few minutes later by posting a similar message, "Happy birthday America, more good news, Camila and I are expecting our 3rd child, God bless, just keep livin."
McConaughey met his wife, Brazilian model and television performer Alves, in 2007. The actor proposed on Christmas holiday 2011.
The couple already have two children- son Levi Alves McConaughey and daughter Vida Alves McConaughey.
