The 30-year-old model, who has a 19-month-old son, Sebastian, with the rapper, split from the 'Black And Yellow' hitmaker on Monday (22.09.14) after 14-months of marriage, and is seeking full custody of their little boy.
According to court documents, obtained by gossip website TMZ.com, the blonde beauty cites irreconcilable differences and wants full legal and physical custody of Sebastian, but is willing to give Wiz visitation access.
Amber acknowledges the couple, who secretly married during a civil ceremony at a Los Angeles courthouse in July 2013, have a valid prenuptial agreement, which provides spousal support.
Wiz, 27, previously gushed about his relationship with Amber and admitted he was overcome with emotion on their wedding day.
The 'We Dem Boyz' hitmaker said: ''Seeing her walk down the aisle ... was just mind-blowing. It was beautiful. I'm so proud of my baby for what she did. She put all of that together and everybody's ranting and raving over every little detail about it. Those things didn't happen on their own, she did it.''
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