In an interview with The Mirror, Beyonce Knowles revealed she prefers to invest her earnings rather than splash out on pricey items. “Honestly, I’m very frugal. I haven’t bought a car since I was 16 or any diamonds since I was 17,” the former Destiny’s Child star confessed. “I have a lot of property. I’ve invested my money and I don’t have to make any more, thank God, because I’m set. I’m now able really to be free and just do things that make me happy.” Read more.