By peoplestaff225
Updated April 06, 2010 05:00 PM

Matthew McConaughey and Camila Alves share a smile — and their half of the child carrying duties — while toting son Levi, 21 months, and daughter Vida, 3 months, to a birthday party in Malibu, Calif. on Saturday.

See more pictures of the fantastic foursome in their family photo album!