Jay-Z, Lady Gaga, Bob Dylan & More Stars Accused of Plagiarism (PHOTOS)CopycatsJay-Z’s been accused of plagiarizing parts of his memoir, ‘Decoded.’ From Beyonce to J.K. Rowling, see more notables who have been called copycats.The Daily BeastUpdated Jul. 13, 2017 7:54PM ET / Published Jun. 22, 2012 6:02PM ET Getty Images (3); Nick Cunard / Rex (bottom left)