R. is the third studio album and the first double album by R&B singer R. Kelly. It was released in the United States on November 10, 1998 (see 1998 in music). This album was the first time Kelly allowed other record producers to produce or co-produce on his album, as opposed to producing the entire album himself, as well as his first time collaborating with various artists on his album. This is currently Kelly's biggest selling album to date, selling 8 million copies in the US according to RIAA and 12.4 million copies worldwide.