Matthew McConaughey gushes as wife Camila Alves finally becomes a US citizen

She is the Brazilian beauty who stole the heart of one of the world's most eligible men. And Matthew McConaughey took to Twitter to share a photo and a message about his joy that his wife Camila Alves had finally become a fellow United States citizen on Tuesday. The 33-year-old model was grinning with glee as she posed with the movie hunk husband and their three children inside a courthouse, where she no doubt said her Pledge Of Allegiance.