Pop icon Katy Perry is facing mounting backlash for her questionable behavior on American Idol, leading industry insiders to label her as Hollywood's latest persona non grata.

Viewers are voicing their discontent, calling for the removal of the 38-year-old 'I Kissed a Girl' artist from the show, and insiders speculate that even her fellow cast members wouldn't mourn her departure.

"Her reception amongst the show's viewership is far from positive, and ultimately, it's their opinion that matters the most," a source disclosed.

"Perry's demeanor can be off-putting even on her best days, and her fellow stars find her intimidating. The general consensus backstage is that Perry's tenure needs to end."

Despite her loyal music fans, the 'Roar' singer has faced a series of public rebukes from Idol audiences in recent months.

She was criticized for belittling contestant Sara Beth Liebe, a young mother of three. Perry made a derogatory comment about Liebe's motherhood, leading to her withdrawal from the competition, despite forgiving Perry for the insult.

Furthermore, Perry was met with audience disapproval in April when she derided contestant Nutsa Buzaladze for her sparkly attire.

Perry commented, "Next time, I want to see you without a single piece of glitter, although I know that might be challenging for you."

In another instance, her antics left fans recoiling when she ostentatiously chugged a cup of coffee in a single gulp on social media, announcing, "Yes! All the coffee is in my body! I'm ready to rock!"

Perry's reputation was notably marred when fellow pop sensation Taylor Swift accused her of attempting to poach backup dancers in 2014, a dispute that resulted in Swift's hit song, 'Bad Blood.' It wasn't until 2018 that Perry sought to mend fences by sending Swift an actual olive branch.

While Perry's representatives maintain that her colleagues on Idol support her, the source revealed, "Perry's unique sense of humor often comes off as abrasive, leading to calls for her removal from the show.

"In fact, Perry is reportedly the only judge ever to be booed by the Idol audience!"