Bruno Mars is about to have a very big pay day. The 'Unorthodox Jukebox' singer is being paid over $1 million to perform at a bat mitzvah.

According to the NY Daily News, Bruno is being paid $250,000 per song to perform. Russian big shot Len Blavatnik hired the crooner for his daughter’s bat mitzvah -- she apparently "a huge fan of the singer." Five songs, which equals over $1 million, are set to be performed. Ka-ching.

Reportedly, Bruno and his crew get to fly a private jet to New York for the festivities courtesy of Blavatnik. The venue is said to be the swanky Plaza hotel.

For those that don't know, Blavatnik owns Warner Music Group, home to Bruno's label Atlantic Records.

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