Matthew McConaughey stands by his mother's decision to test wife Camila Alves

Matthew McConaughey stands by his mother's decision to test wife Camila Alves

Matthew McConaughey has defended his mum Mary Kathlene 'Kay' McCabe's tough treatment of his wife Camila Alves - explaining she tested the model at the start of the romance as part of the family's 'rites of passage'