Mom to Movie Star: Jennifer Garner's Quick Changes

From jeans and sneakers to haute couture, this star is a mom of two by day and a red-carpet fashionista by night! As she turns 38 (April 17), check out the birthday girl's transformations over the year

RED-CARPET READY

Jennifer keeps it casual in comfy jeans and a short-sleeve sweater before making her red carpet comeback (her first big night since giving birth to daughter Seraphina) in a black Rachel Roy gown and metallic accessories on April 27 at the L.A. premiere of Ghosts of Girlfriends Past.