12/09/2010 05:12 am ET | Updated May 25, 2011

'Sister Wives' Kody Brown Marries Wife #4 Robyn Sullivan

Kody Brown officially has 21 mouths to feed ... TMZ has learned the "Sister Wives" polygamist has married his latest fiancée Robyn Sullivan ... increasing his total number of wives to FOUR.

Read more on tmz.com

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