Céline Dion's Paris residency brings economic boost: 'When you're a fan, money is no object'

After six years away from the stage, the Québécois superstar begins a run of 26 concerts in Paris on Saturday. Hoteliers, restaurateurs and retailers hope to benefit from the influx of nearly 800,000 fans, both French and international. The windfall is estimated at between €500 million and €1 billio