Reese Witherspoon Picture 5215950

Pic caption: * SPEARS CRACKS WHIP ON NEW YORK TV CIRCUS SHOW. BRITNEY SPEARS has turned New York into a Circus show with another hit TV. performance, days after wrapping her whirlwind European tour.. The pop star followed televised shows in Germany, France and the U.K. as she. tamed the thousands of fans who turned out to see her perform on Good Morning. America on Tuesday (02Dec08) - marking her 27th birthday.. Spears showed off her newly-fit figure wearing a belly-baring black top,. skin-tight pants and top hat as she took the stage at the Big Apple Circus. Tent.. The star unleashed a team of dancers dressed as clowns and circus freaks who. were caged behind her, and later re-emerged from a ring of fire wearing. booty-bearing shorts, black fishnets and a cropped red top as she continued her. lip-synced remix of songs.. But the Toxic hitmaker was in for her own surprise when fellow stars Hugh. Jackman, Reese Witherspoon and Taylor Swift wished her a happy birthday in a. video montage - and she was then presented with a towering cake.. Smiling, Spears told the roaring crowd, That's so sweet thank you, as her. two sons, Sean Preston, three, and Jayden James, two, watched from the front. row with the singer's mum, Lynne.. Spears also confirmed her plans to embark upon a North American tour. beginning in March (09), with the first show near her hometown in New Orleans,. Louisiana.. But preparations will be put on hold as she continues her birthday. festivities with a star-studded, very private, Circus-theme event, reportedly. scheduled for Tuesday night at New York nightspot Tenjune. (JMA/WNVGM&WN/ZN). . Jayden James Federline. Britney Spears performs on ABC's 'Good Morning America' at The Big Apple Circus Tent at Lincoln Center. New York City, USA - 02.12.08