Tour dates for Britney Spears's North American Summer tour have been announced, and they include a Washington, D.C. date -- July 31 at the Verizon Center. Tickets go on sale Saturday, April 16 at 10 a.m. Complete ticket and tour information is available at BritneySpears.com or at livenation.com
Britney's seventh studio album, Femme Fatale, drops today.
