Right before Emme Maribel Muñiz -- Jennifer Lopez's 11-year-old daughter -- started singing during the Super Bowl 54 halftime show, she had to crawl out of her cage.She wasn't the only one. During the halftime show, which had Lopez and Shakira blazing through an astounding medley that culminated in "Let's Get Loud" and "Waka Waka (This Time for Africa)," dark patches of the field were illuminated by several neon structures, identical to Emme's, with children caged inside.