Washington, DC: Pop star Britney Spears wowed fans as she returned to the stage last night in Las Vegas, debuting a new song called ‘Big Fat Bass'.
The singer performed three songs during the mini-concert at Rain nightclub in the Palms Casino and Resort, ‘Holt It Against Me', ‘Big Fat Bass' and ‘Till the World Ends'.
During ‘Bass', she can be seen climbing up and down various props and sitting down on boxes, reports TMZ.
This was Britney's first live show since her ‘Circus' tour in February 2009.