Perez was holding a thick encyclopaedia which the pair thought would stop the bullet. She has also been banned from owning firearms for life.
"Me and Pedro are probably going to shoot one of the most unsafe videos ever", she tweeted.
"The reality that this foolish stunt was dreamed up, planned, and executed by Pedro Ruiz, and the defendant wrongfully and tragically relied on his assurances that the stunt was safe", Brue told the Star Tribune.
Perez was pregnant at the time of the failed YouTube stunt, and the couple already had one child.
A deadly shooting that started as a YouTube prank resulted in an official criminal sentencing Wednesday.
At the time of her arrest, Perez insisted that her boyfriend had been 'trying' to get her to do the shooting stunt for a while before agreeing. Please hurry up, ' Perez told the 911 dispatcher in June 2017.
Perez has a YouTube channel with many videos the couple made involving various stunts and pranks. She also told her that the Ruiz family doesn't hate her, but a scoff could be heard from one of Ruiz's loved ones as she said those words, WDAY reported. Mr Ruiz had shown her a book he had shot with the same gun to demonstrate that the bullet did not go through the entire volume.
Monaliza Perez and former boyfriend Pedro Ruiz.
The video was submitted to law enforcement officials as evidence.
"She's getting to pick when she is doing her time, when she gets to sit, I don't think it's fair, we don't have him ever again", said Claudia.
She will alternate being in and out of prison every 10 days for six months - and will spend the remaining 90 days of her sentence in home confinement.
Prosecutors said it was clear that the idea for the stunt came from Ruiz, which was the reason for the short sentence. The state is in the midst of a pilot project that is allowing media cameras at sentencings with a judge's consent.