London, December 6 : Britney Spears is set to shake a leg with lions and elephants dressed as a ringmaster for the video of her new single ‘Circus’.

The singer had recently donned a midriff-baring shirt, top hat and fishnet stockings to perform live on New York’s ‘Good Morning America’ as she released her sixth studio album on December 2 - her 27th birthday.

Britney had performed two songs from her latest album ‘Circus’, including her new single ‘Womanizer’, on an elaborate set complete with a ring of fire, reports the Sun.

The entertainer had received birthday wishes from the ‘World’s Sexiest Man’ Hugh Jackman along with the cast of Desperate Housewives, Reese Witherspoon and John Travolta in pre-recorded messages.

The pop princess further revealed during the show the dates of her forthcoming 27-city world tour that is set to begin in her native Louisiana on March 3, 2009. (ANI)