Britney Spears' 2011 Wango Tango Evening
Tweeting about the busy day's plans, Brit wrote to her millions of followers, "Rehearsals all morning. Wango Tango all night.... -Britney"
Meanwhile, Miss Spears also recently tweeted her choice of "I Wanna Go" as the next single to be released from her Femme Fatale album, as she posted the following message: "So excited 2 announce that the fan favorite #IWannaGo is my next single from Femme Fatale! Shhh, it's my fav too!"