Net Worth: $471 million

So, Shania Twain divorced Mutt Lange in 2010 after he was caught cheating with her best friend and then she kicked off 2011 by marrying that same former best friend's ex-husband. (Keeping up?) Since then, her career has been on the comeback trail. She started by filming her own journey of self-discovery for The Oprah Winfrey Network – Why Not? With Shania Twain, then she was inducted into The Canadian Music Hall of Fame, before finally writing a memoir. What about the music? Don't worry, she's getting back to performing live and will be following in Celine Dion's footsteps in October with her own Las Vegas show.