A thuggish mother whose drunken rampage left three people injured avoided prison after blaming poor mental health for her brutal attacks.
Violent Keeley Moore, 42, headbutted one man for no reason before she stamped on a woman's head.
Later, she stabbed a second man when party guests began debating why children should be in foster care.
She avoided a three-year prison stretch for grievous bodily harm, instead being handed a 24-month suspended sentence.
During her temper-tantrum, Moore - whose own children had been taken into care due to her "erratic and unpredictable" behaviour - screamed at Julie Roscoe: 'I'll have you, Julie".
She then got her in a headlock, smashing her into a wall and hurling her over a sofa, the court heard.
In the ensuing argument, she then grabbed a kitchen knife and stabbed Carl Ainsworth in his left arm leaving him requiring stitches and other medical treatment.
Moore, of Bury, Greater Manchester, has a string of convictions dating back 20 years for assault, battery and affray.
The woman explained she had a history of self harming, was a victim of domestic violence herself and had been in and out of psychiatric hospitals. She said she was also hopeful of reconnecting with her two sons and daughter.
At Minshull Street Crown Court, Manchester, Moore faced three years jail after she admitted causing grievous bodily harm and occasioning actual bodily harm.
But she was given 24 months imprisonment, suspended for two years.
She was ordered to be electronically tagged for four months as part of 7 pm-7am curfew.
The incident occurred on September 7 2019 after the party was thrown at Mr Ainsworth's ground floor flat in Milnrow, Rochdale when guests had earlier watched England's 4-0 victory over Bulgaria in a Euro soccer qualifier.
Jeremy Lasker prosecuting said: "There were a number of people present at the time and they had consumed a good deal of alcohol. The group were drinking together, listening to music and having a laugh.
"The first indication of violence was an unprovoked assault by the defendant upon a David Bailey who describes it as coming quite out of the blue and her headbutting him for no reason.
"Some time later a conversation arose concerning children in foster care which led to words being exchanged between Julie Roscoe who told the defendant to "shut the f.k up" and the defendant replying: 'I'll have you Julie'.
"All Julie Roscoe can remember of the assault which then took place, was having her head banged against the wall and later coming round whilst on the floor."
One eye witness told police: "The black haired girl has then got Julie in a headlock under her right arm and banged Julie's head into the wall. She has then thrown Julia into the sofa and kicked her in the lower back and it seemed like she kicked Julie really hard.
"The black haired girl has then grabbed Julie by the scruff of her neck and thrown her into the floor. She has then stamped on Julie's chest and legs. Julie was cowering on the floor trying to protector herself. Everyone else was just sat watching in shock."
Moore deeply regrets this offence but she has had a clean slate for the last 21 months and she is in a "much better place".
Sentencing, Judge Mark Savill told her: "You have an emotionally unstable personality disorder and are a product of your unpleasant background. Some relationships you have had have often resulted in domestic violence towards yourself.
"You have made a number of attempts to harm yourself and you have been treated in mental health units on a number of occasions.
"Many would say this is far too lenient a sentence and I do pass it with considerable hesitation. However I am giving you a chance."
