She's also donating $100,000 to the Big Apple Circus Clown Care program, which brings clowns to young hospital patients.
Spears played at the American Airlines Arena in Miami as part of her "Circus" tour.
The tour to support her hit album of the same name kicked off last week before a nearly sold-out crowd in New Orleans.
Spears' last toured in 2004.
CLICK HERE to follow Action News on Twitter
CLICK HERE to get Action News on your website
CLICK HERE to find Action News on Facebook