From her battles with crystal meth addiction to her rumored relationships with women, Fergie is the latest superstar to reveal all on an upcoming episode of “Oprah’s Next Chapter.”

The Black Eyed Peas frontwoman sits down with the talk show queen at her house to discuss her tumultuous past and rise to fame. She and husband, actor Josh Duhamel, also respond to allegations of his infidelity.

The no-holds-barred conversation will air October 21 at 9 p.m. on OWN.