This broad is out her damn mind!
Usher's ex-wife
Tameka foster claims she never threatened to kill the R&B superstar, but she did admit under oath to saying "I will f**k you up" ... so you can see how he might have taken it the wrong way:
Usher and
Tameka have been going through a bitter legal fight over custody of their two young children - a fight that came to a head in a Georgia courtroom this past ...