Katy Perry's 'Witness' Deluxe Edition Is Now Available For Streaming: Listen

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Katy Perry performs onstage during her 'Witness: The Tour' at Air Canada Centre on Oct. 31, 2017 in Toronto, Canada. 

Two bonus tracks, 'Dance With The Devil' and 'Act My Age,' are now on Spotify, TIDAL and more.

Last June marked Katy Perry's first full-length release in nearly four years with Witness, her fifth studio album to date. Now, a year after its initial release, eagle-eyed fans noticed that the deluxe version made its way to streaming services Friday (June 8), tacking on two grooving bonus tracks: "Dance With the Devil" and "Act My Age."

A trap-pop beat backs the ominous jam "Dance With the Devil," in which Perry mysteriously depicts a "stumbling tango." On the flip side, she declares she's "30-something going on 13" in the carefree, haters-be-gone bop "Act My Age," complete with a chanting chorus that'll make listeners forget their birth year.

Perry wraps up her Witness World Tour in New Zealand this August. Stream the album, including the bonus tracks, below.