The hits just keep on coming for Christina Aguilera -- and we don't mean the chart-topping kind. The singer's label is reportedly facing a lawsuit surrounding her single, 'Ain't No Other Man.'

According to TMZ, Aguilera's song samples the 1968 song 'Hippy Skippy Moon Strut' (also known as 'I'll Be A Lucky Man') by Dave Cortez and the Moon People. According to a federal lawsuit filed in New York, the classic song's exclusive rights have been owned by TufAmerica since 2004. However, Sony Music went through Codigo Music and the Clyde Otis Music Group in order for Aguilera to sample the song on her album.

TufAmerica's lawsuit is asking for a court to declare it the rightful owner to 'Hippy Skippy Moon Strut' and put a stop to any other publisher's claims. And of course, TufAmerica is asking for punitive damages (aka money).