Rebel Wilson weight loss wows at 'Pitch Perfect' wedding: funny girl loses serious weight

Funny girl Rebel Wilson flaunted serious weight loss at her "Pitch Perfect" co-stars' wedding. Wilson, who brought down the house in "Bridesmaids" and "Brothers Grimsby" shared the startling reason for her weight gain and secrets to weight loss. Rebel joins many other big name celebrities in her quest to get thin.   Rebel Wilson weight loss wows at 'Pitch Perfect' wedding: funny girl loses serious weight