Cindy Crawford is wise beyond her years. The timeless beauty rings is celebrating her 50th birthday today. OK, now that the shock has worn off?yes! The brunette stunner who had every girl scrambling to pencil on a makeshift beauty spot in the 1980s and '90s is indeed marking a major milestone. Over three decades the supermodel posed for the fashion industry's finest photographers and walked the most enviable runways, made Pepsi the sexiest soft drink ever and started her own skincare line.