Britney's Concert Costumes

Go under the big top to see Spears's spectacular – and super sexy! – Circus looks. By Serena Kappes and Aaron Parsley

'CIRCUS' ACT

Opening the concert with her album's title track, "Circus," Spears descended from above in a red ringmaster-meets-dominatrix outfit designed by Canadian duo DSquared2. "We are enormous fans of Britney," designers Dean and Dan Caten said in a press release, "and have been waiting for the perfect opportunity to collaborate with her."