“Balance is a little tricky!” the mom-to-be, 30, told PEOPLE, showing off her award-winning style in a statuesque Ralph Lauren Collection custom platinum lamé gown and Casadei triple platform peep toes.
With her second child due this fall, big sister Honor Marie, 2½, is getting ready for her new role.
“She says, ‘I want to be the mommy. I’m going to feed the baby. I’m going to tell the baby what to do,’” Alba laughs. “She’s excited that she’s going to be the boss of something.”
– Jeffrey Slonim
RELATED GALLERY: 2011 Metropolitan Museum Costume Institute Gala