Britney Spears has got the first pick of concert dates over Jennifer Lopez after she signed a two-year extension for her Las Vegas residency.
According to the sources, the 'Baby One More Time' hit-maker will get an additional five million dollar for the extension and will be paid 35 million dollar under her new deal, TMZ reported.
However, Lopez who chose her dates from Spears' leftovers, will began her performance in January.
