United Kingdom, July 15 -- Unreleased Beyonce songs and other sensitive documents have allegedly been stolen from a rental car.

Last week - less than 48 hours before the Crazy In Love hitmaker started her four-night residency at the Mercedes-Benz Stadium in Atlanta during her ongoing Cowboy Carter tour - thieves allegedly broke into a rental car which had been hired by the singer's choreographer, and one of her dancers.

As detailed by The Hollywood Reporter, an incident report alleges that the theft occurred on July 8, with the suspect taking hard drives containing "water marked music, some un-released music, footage plans for the show and past and future set lists".

Choreographer Christopher Grant and dancer Diandre Blue are said to h...