Who wouldn’t want to be Keith Urban! According to Celebrity Net Worth, the country singer — who married actress Nicole Kidman in 2006 — is worth a whopping $75 million. The 56-year-old has made a majority of his money through his two-decade long music career, which has won him four Grammy awards. The New Zealand-born and Australian-raised songwriter’s success began in 1983, when he entered the Australian TV talent show New Faces. He then continued to build his presence in the Australian country music scene with performances on TV shows such as The Reg Lindsay Country Homestead TV Program and M…