husband Ben Affleck. To honor their 15th birthday, JLo shared a video of moments from across their young life and there were pictures of them with Ben, including one of the four of them cuddled together in a restaurant booth."Happy birthday to my beautiful, brilliant coconuts," she captioned the video, which you can watch below, and which was soundtracked by Taylor Swift's Fifteen; coconuts is her nickname for the pair.WATCH: Jennifer Lopez honors twins 15th birthday with sweet montage"I am so proud of you both in every single way.