Big Boi from ‘Outkast’ — Wife Files for Divorce … Custody War Brewing

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Big Boi from Outkast could be going to war with his estranged wife — “cause she just filed divorce papers against the rapper in which she demands SOLE CUSTODY of their 12-year-old kid.

Big Boi”s estranged wife Sherlita Patton filed the docs yesterday … stating her 11-year marriage to Antwan Patton is “irretrievably broken.”

The two were married in Feb. 2002 and have 2 kids together — a 18-year-old and a 12-year-old.

According to the docs, obtained by, Sherlita is demanding sole custody of the minor … plus child support.

She”s also seeking spousal support, a split of the marital assets and attorney”s fees.

We reached out to Big Boi for comment — so far, no word back.