Beyoncé’s twins haven’t even arrived yet, and we’re officially jealous of them! The singer, 35, and her rapper husband, Jay Z, 47, have shelled out a whopping $500,000 to create an over-the-top nursery for their double bundle of joy, Life & Style has learned. “Bey and Jay knocked out a wall between two bedrooms to create a master-suite-size nursery inside their LA home,” reveals a source. With help from mom Tina Knowles Lawson, 63, Beyoncé got to work decorating, opting for items in cream, gold and earth tones. “The twins will have matching cribs and rockers and designer sheets totaling $30,000, plus a $50,000 state-of-the-art sound system,” details the source. “The nursery also has its own kitchen, fireplace and movie theater!” As if that weren’t enough, Bey is giving her…
