The mum-of-five is currently starring as The Wicked Fairy Carabosse in Sleeping Beauty at the M&S Bank Arena in Liverpool.
However, Katie, who is believed to be getting paid £60,000 for her role, has faced stern criticism for her performances.
And now theatre bosses have slashed ticket prices further as the final shows take place.
They’ve offered fans two-for-one on all tickets purchased for the December 30th performance.
Underneath the post on social media, fans left scathing reviews as one described Katie as ‘stiff as a board’.
Another fan expressed their horror at Katie’s paycheck, writing “Can’t believe she was paid £60k for this.”
The Sun previously revealed how the former glamour model risked a theatre ban and fine.
Katie, 45, was caught on camera having a vape while backstage in her dressing room during a live stream.
Bosses have a strict zero-tolerance policy on the use of smokes and e-cigarettes at the venue.
They state on their website: “Smoking is strictly prohibited. Anyone found smoking anywhere within the venue will be requested to leave without refund.
“The use of electronic cigarettes is also strictly prohibited.”