Article continues below advertisementJessica Alba smoldered in a brown strapless bikini in a new 20-photo Instagram carousel. The Good Luck Chuck actress posed on a float in the water for a moment of bliss as she embraced both her toned physique and the summer sunshine."Summer moments," the 44-year-old captioned her post from Saturday, August 16.Article continues below advertisementJessica Alba's Fit Bikini BodSource: @jessicaalba/InstagramThe actress flaunted her bikini body while enjoying a day on the water.