The Canadian chanteuse's exclusive run at Caesars Palace in Las Vegas has been extended into 2007, thanks to its continued popularity. In 2005, she has the third-highest-grossing "tour," earning $81 million in ticket sales for 155 gigs, according to Pollstar. Fans shelled out on average $136 per ticket to hear her. Only Barry Manilow fans paid more.
I didn't know that. 
