It"s one of Lopez"s most famous tracks, and arguably her defining one, embedding her carefully crafted brand and appeal: yes, she was a stunning and successful Hollywood star, but, she wanted to remind us, she was also just the girl-next-door. Albeit one with a healthy appreciation of irony, given the famous video in which she is seen casually hanging out with her fellow A-lister boyfriend Ben Affleck, rolling around in their swimwear on a yacht.