Katy Perry's 'Witness' eyeing the No. 1 spot on Top 200 Albums chart

Katy Perry's latest album Witness is gearing up to be the singer-songwriter's third No. 1 album on the Billboard Top 200 Albums chart. The fifth album (and fourth as mainstream stage name Katy Perry) was released on June 9 and tracking ends on Thursday, June 15. It follows the No. 1 album PRISM after three and a half years while the album ran its course.

Witness, a more soul-pop album void of her usual catchy hooks, is expected to debut at No. 1 on the Top 200 with an estimated 200,000 or more total units including sales and streaming. Of that number, Witness could see upwards of 175,000 in actual album sales with the rest deriving from streaming and individual track downloads.

The latest album by Perry will become her third No. 1 following 2013's PRISM which debuted with 286,000 copies sold when sales were the only item counted towards the final tally updated each Tuesday. Teenage Dream, Perry's blockbuster breakout with five No. 1 singles from the original release, entered the charts selling 192,000 copies in 2010.

Should Perry reach those numbers by the end of the tracking week, it would be the first album by a woman to reach those heights since Lady Gaga's Joanne reflected on the Nov. 1, 2016. The folk inspired album entered the charts with 201,000 units combined. As reported, Halsey is the first woman in 2017 to hit No. 1 and the first since Gaga with her sophomore set Hopeless Fountain Kingdom.

To promote Witness, Katy Perry appeared on "Saturday Night Live" and performed the tracks "Bon Appétit" with Migos and "Swish Swish." Perry also appeared on "The Late Late Show with James Corden" for his Carpool Karaoke segment.