Mariah Carey was performing yesterday at the Singapore Grand Prix when she wobbled on her ridiculous heels and slowly melted down to the ground in a swoony fall. Celebrities slipping and falling = always funny, but the best part here is that afterward, she summons her bowing, scraping assistant to the stage, water bottle at the ready, and demands that she remove the offending shoes. And yet it takes a team of no less than five people to ...