Octomom's Pregnant Sister Act

10/23/2009 3:45 PM PDT BY TMZ STAFF
With Halloween more than a week away, Octomom Nadya Suleman became OctoNun by playing dress up ... for the paparazzi still camped outside her house on Thursday.

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The 34-year-old wombinizer put on her favorite maternity nun costume and dressed her youngest eight kiddies as little devils.

Wonder how Kate Gosselin is gonna top this getup.