Britney Spears has rubbished rumours of lip-synching during her Vegas shows, insisting that she will definitely be singing live at the shows.
The 'Toxic' hitmaker told in an interview to Chicago's 103.5 KISS FM that she always sings live and though it doesn't sound good all the time, she tries her best, the Huffington Post reported.
Sources had earlier alleged that the 32-year-old singer was already planning to lip-sync during the shows, adding that she hasn't sung live for many years.
Spears' manager, Larry Rudolph, had earlier revealed that the popstar was going through intense vocal training for her upcoming shows.