Kanye West has acquired a new $4.5 million mansion across the street from ex-wife Kim Kardashian. The 44-year-old rapper closed on the 3651 square-foot, 5-bedroom home in LA's exclusive Hidden Hills, Daily Mail reports. Kanye, who shares four children with Kim, purchased the property just two months after he listed his $3.7 million, 4,200 square-foot,...