She refuted Mr Ehrlich's claims in a series of tweets, saying the producer was "lying" about her.
Grande is not the first star to turn down the opportunity to perform at this year's awards, with Ehrlich telling the New York Times that Drake, Kendrick Lamar and Childish Gambino all declined spots on stage.
And now, 66-year-old television personality Sharon has heaped praise on the "God Is A Woman" hitmaker for "standing up to those antiquated old farts".
In a series of lengthy posts, she told her 60.6million followers: "I've kept my mouth shut but now you're lying about me".
Ariana Grande: Why is Ariana Grande not performing at the Grammys? Recent reports indicated Grande pulled out of the show after creative conflicts, and long-time producer of the show Ken Ehrlich told The Associated Press the reason was that the singer felt it was "too late to pull something together".
"It was when my creativity and self-expression was stifled by you, that I decided not to attend".
Canada could see large amount of measles outbreaks, health experts warn
About 600 people a day were vaccinated during the last week of January, compared to 200 people during the same period a year ago . So far in the US this year, about 80 cases of measles have been reported, with two outbreaks ongoing in Washington and NY states.
She concluded: "It's about art and honesty".
In her own words, Ariana says the song is about "being in love w a version of somebody you've created in your head. falling for someone that they are not". She's a great artist. Fret not: Grande also released a new music video for "Break Up With Your Girlfriend, I'm Bored", securing her status as both the Hardest Working Woman in Pop™️ and an emotional AF icon for fellow Cancers everywhere.
The music video, which goes along with her latest hit, "Break Up With Your Girlfriend, I'm Bored", was released early Friday morning, but it already has nearly 8 million views. You can ask Christina Aguilera, who I asked to do "It's a Man's World" for James Brown.
While on the "Zach Sang Show" that aired Saturday, Grande gives some insight into the song that was released a month after her engagement with Pete Davidson was broken off.
The album release came hours after Grande was involved in an online dispute with the Recording Academy over her proposed appearance at the Grammys on Sunday.
"He just comes to visit me/ When I'm dreaming every now and then".