Lady Gaga follows up Super Bowl show with tour announcement

HOUSTON - (AP) -- Fresh off a high-wire, crowd-pleasing halftime performance at the Super Bowl, Lady Gaga has announced plans for a world tour kicking off this summer.

Gaga posted news of the tour on Twitter late Sunday night. The 48-date tour includes stops in North America, Europe and Brazil.

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Several of her U.S. dates include performances at baseball stadiums, including Chicago's Wrigley Field and Boston's Fenway Park.

The tour begins on Aug. 1 in Vancouver and wraps up on Dec. 14 in Salt Lake City.