Jessica Alba wishes her son a happy birthday in heartfelt post: 'Happy Birthday to my baby boo'

Jessica Rowe picks up a cake in Rose Bay, Sydney, on New Year's Eve

Watch 'Swolemates' Justin Timberlake & Jessica Biel Rock Synchronized Couples Workout!

25 Stars Share Their Favorite Moisturizers: Jessica Alba, Mindy Kaling, Kate Hudson & More