MIAMI, FL – The “Twerk” music video City Girls has been teasing for the past few months with a $25,000 twerk challenge and flicks of Yung Miami and Cardi B dripping in animal-style body paint on a Miami beach is finally out. At Yung Miami’s request, thousands of City Girls and City Boys submitted their best twerking videos for an opportunity to not only win $25,000 but …