I'm going to tell Social Services my friend neglects her kids.
What's the reason for reporting your friend?
I don't like her, so I am going to say that she ignores them and doesn't take care of them sometimes.
Child neglect is a serious crime and has to be reported. You should not lie about it to get back at her or make someone jealous.
It's fine as long as I get back at her.
Making up stories about your friend abusing her children is a serious offense and is wrong. Your thirst for vengeance on this woman will end you up in trouble with the authorities if you pursue it.