Former child star Jennette McCurdy dives deep into her time spent at Nickelodeon in her new memoir, I’m Glad My Mom Died, and this includes detailing her relationship with Sam & Cat co-star Ariana Grande. A short-lived series that served as a spinoff to both iCarly and Victorious, Sam & Cat teamed up McCurdy’s Sam Puckett from the former and Grande’s Cat Valentine from the latter. It was canceled after a single season following troubling accusations leveled against its creator and reported friction on the set between McCurdy and Grande.

In a portion of her new book published by Entertainment Tonight, McCurdy admits that there was a certain resentment she held that stemmed from Grande’s blossoming music career. As Grande was repeatedly allowed to take time off to record music and do press for her album, McCurdy couldn’t help but recall the times she was denied from doing the same when she had missed out on her own opportunities.

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The more this happened, the more McCurdy came to “resent being a good sport,” and ultimately, it had made her feeling both angry and jealous of her co-star.

Jennette McCurdy’s Falling Out With Ariana Grande Happened Because of Tom Hanks

     Nickelodeon

Beyond being treated differently by Nickelodeon, McCurdy also resented Grande for having a “much easier upbringing.” They may have both wound up on the same series, but their journeys in getting there were quite different, as McCurdy recalls dealing with struggles Grande had never needed to worry about.

Putting on another layer of jealousy, McCurdy describes how she thought her iCarly spinoff was going to be a solo series about Sam and was disappointed when she learned she was going to have to share the screen with a co-star for a series that had a very different premise than what she had thought would happen.

Eventually, all of the jealousy, anger, and resentment would come to a boiling point. McCurdy says she couldn’t help but compare her own career to Grande’s, a byproduct of Grande being someone who “doesn’t exactly try to hide her successes.” While McCurdy was able to look past Grande speaking about her accomplishments in music, it was the revelation that she’d gotten to hang out with Tom Hanks that really had McCurdy feeling like she wanted nothing to do with Grande.

I’m Glad My Mom Died is now available in bookstores.