<p>Dressed as a ringmaster in a sequinned hat, blazer, fishnet tights and knee high boots, she began with a bang, descending from the rafters in a circus hoop, Daily Mail reported.<br /><br />After two years of troubled celebrity life, Spears burst back into the limelight, kicking off the show at The 02 arena in Greenwich with her current hit song 'Circus'.<br /><br />Showing off a tanned and toned midriff as she performed 'Radar' in a jewelled bra and shorts, the controversy's favourite child did not show any sign of the flab that she had put on in the past two years.<br /><br />'What's up London. I am so happy to be here tonight," Spears shouted out to her fans, who were in for a visual treat, with unicycles, magician's style boxes, and clowns keeping the 'Circus' theme alive throughout.<br /><br />The stadium audience was on their feet cheering as she belted out crowd favourites 'Toxic' and a 1990's hit 'Hit Me Baby One More Time'.<br /><br />Later she played an extended version of Womanizer dressed as a sexy policewoman. <br /><br />The singer ended her gig in a blaze of confetti and fireworks.</p>
<p>Dressed as a ringmaster in a sequinned hat, blazer, fishnet tights and knee high boots, she began with a bang, descending from the rafters in a circus hoop, Daily Mail reported.<br /><br />After two years of troubled celebrity life, Spears burst back into the limelight, kicking off the show at The 02 arena in Greenwich with her current hit song 'Circus'.<br /><br />Showing off a tanned and toned midriff as she performed 'Radar' in a jewelled bra and shorts, the controversy's favourite child did not show any sign of the flab that she had put on in the past two years.<br /><br />'What's up London. I am so happy to be here tonight," Spears shouted out to her fans, who were in for a visual treat, with unicycles, magician's style boxes, and clowns keeping the 'Circus' theme alive throughout.<br /><br />The stadium audience was on their feet cheering as she belted out crowd favourites 'Toxic' and a 1990's hit 'Hit Me Baby One More Time'.<br /><br />Later she played an extended version of Womanizer dressed as a sexy policewoman. <br /><br />The singer ended her gig in a blaze of confetti and fireworks.</p>