<p>The 30-year-old singer's hit single reportedly uses a beat from Dave Cortez and the Moon People's 1968 soul song 'Hippy Skippy Moon Strut'.<br /><br />Legal papers filed by TufAmerica in New York claim that Sony Music paid the wrong distributer for rights of the song, reported TMZ.<br /><br />TufAmerica reportedly bought the exclusive rights to the original song in 2004, which Sony arranged to sample through deals with Condigo Mysic and the Clyde Otis Music Group.<br /><br />TufAmerica is seeking to nullify other publishers' claims to the rights, as well as punitive damages.<br /><br />The lawsuit comes at the tail end of a rough year for Aguilera, which began with the poor sales of her album 'Bionic' and continued with a cancelled US tour, a flop in her big-screen debut 'Burlesque' and a divorce from husband Jordan Bratman.<br /><br />Aguilera's woes got worse in 2011, with an infamous flub of the National Anthem during the Super Bowl pre-game show, and an arrest on March 1 for public intoxication.</p>
<p>The 30-year-old singer's hit single reportedly uses a beat from Dave Cortez and the Moon People's 1968 soul song 'Hippy Skippy Moon Strut'.<br /><br />Legal papers filed by TufAmerica in New York claim that Sony Music paid the wrong distributer for rights of the song, reported TMZ.<br /><br />TufAmerica reportedly bought the exclusive rights to the original song in 2004, which Sony arranged to sample through deals with Condigo Mysic and the Clyde Otis Music Group.<br /><br />TufAmerica is seeking to nullify other publishers' claims to the rights, as well as punitive damages.<br /><br />The lawsuit comes at the tail end of a rough year for Aguilera, which began with the poor sales of her album 'Bionic' and continued with a cancelled US tour, a flop in her big-screen debut 'Burlesque' and a divorce from husband Jordan Bratman.<br /><br />Aguilera's woes got worse in 2011, with an infamous flub of the National Anthem during the Super Bowl pre-game show, and an arrest on March 1 for public intoxication.</p>