RELATED SLIDESHOW: Britney Spears in the news
The shows will kick off Aug. 20 in Canada. Concerts are also scheduled for North Carolina, Iowa, Oklahoma and Texas.
They will follow Spears' concerts in London and several other European cities. The 27-year-old singer also announced this week that her tour will go to Australia in November.
RELATED: Britney Spears' website
Spears' "Circus" tour reached second place in recent box-office gross rankings by Pollstar.
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