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Britney Spears, Celine Dion

Araya Diaz/Ethan Miller/Getty Images

Britney Spears will reportedly make bank for her upcoming residency in Las Vegas, but the pop star's payday pales in comparison to Céline Dion's Sin City earnings. The "Work Bitch" singer is expected to confirm her Planet Hollywood gig on Good Morning America Sept. 17; TMZ reports that Spears will perform 48 nights a year, earning $310,000 per show.

Spears, 31, is said to have inked a two-year deal worth nearly $30 million. (At one point, sources estimated she could command up to $144 million for three years.) Dion, meanwhile, earns a reported $33 million per year for her gig at The Colosseum at Caesars Palace. The Canadian songbird, 45, began her residency in 2011 and will continue to perform at the venue through 2019.

Though she's making far less money than Dion, Spears is hardly hurting for cash. In December 2012, she topped Forbes' list of Top-Earning Women in Music with an annual salary of $58 million, due in large part to her Femme Fatale tour and X Factor gig.

Not bad, ladies.