Johnston, the former fiancé of Bristol Palin, and Oglesby announced her pregnancy with a clever photo of them eating spaghetti (him drinking beer and her drinking water), along with a jar of Prego spaghetti sauce that's been altered to read, "We're Prego."
The couple, who married in October 2012, are already parents to daughter Breeze Beretta Johnston, who will turn 2 in September. Johnston, 24, also has a 5-year-old son, Tripp, with Palin.
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