Jennifer Lopez had planned every bridal outfit to perfection for her second wedding with Ben Affleck, but she revealed she had some concerns about the first of her three wedding dresses.SHOP: Jennifer Lopez's mermaid wedding dresses were iconic – and we've found the best lookalikesJLo walked down the stairs from Deep Water actor Ben's main property on his Georgia estate, thought to be worth $8.9million, to the outdoor aisle the couple had created in the garden. She was joined by their five children - Jennifer's twins Max and Emme, whom she shares with her ex-husband Marc Anthony, and Ben's three children Violet, Seraphina and Samuel from his marriage to Jennifer Garner - who all wore custom white outfits from Ralph Lauren.WATCH: Inside Jennifer Lopez and Ben Affleck's 20-year love storyThe Marry Me actress chose the same designer for her couture gown, which included flutter sleeves, a chic open back, and a floor-sweeping ruffled mermaid skirt and train made with over 1,000 handkerchiefs.