Beyonce Knowles' Slim Shopping Motivation

CELEBRITY SPOTLIGHT - Beyonce Knowles buys clothes which are too small for her as a motivation to lose weight.The singer-and-actress, who is famed for her curvy figure, admits it takes a lot of hard work for her to stay in shape so she needs to have a goal.She said: "I buy something too small and then say, 'I have a reason.' I need to wear these jeans or this hot dress."The 27-year-old beauty