was all business as she filmed a music video on a rooftop of a building in Acapulco, Mexico on Sunday (March 11).
Despite the 90 temps, the 42-year-old pop star showed off her ghetto booty in a pair of patent leather pants during the day-long shoot for her latest single, Follow The Leader featuring reggaeton sensation Wisin & Yandel
Also at the shoot? J.Lo's boy toy Casper Smart
who, believe it or not, is co-directing ...