Bristol Palin's Ex Levi Johnston Reportedly Expecting His Second Child

Bristol Palin's ex-fiancé Levi Johnston doesn't seem to have learned from his past mistakes.  TMZ is reporting that the 21-year old is once again expecting a child out of wedlock-- this time with a 20-year old schoolteacher.

Johnston began dating the woman, Sunny Oglesby, just over a year ago and reportedly says he is "so excited" about starting a family with her (he said that about Bristol, too).  Originally from Oregon, Oglesby now lives in Alaska and is less than 3 months into her alleged pregnancy.

After he was put in the national spotlight during the 2008 presidential campaign, where it was revealed he was expecting a child with Bristol Palin, Johnston went on to strip for Playgirl in 2009 and appear as Kathy Griffin's date for the Teen Choice Awards.

A frequent critic of the Palin family, he wrote in his book Deer in the Headlights: My Life in Sarah Palin’s Crosshairs that Sarah Palin had a "cougar crush" on him while he was dating her daughter.  He also claims that the Palins have alienated him from his son, Trip.

Bristol tells a different story.  New York Daily News reports that when Johnson starting dating Oglesby, Bristol congratulated the two: “I have to be happy for Levi’s new relationship because it sounds like his new girlfriend is influencing him to want to actually spend time with Tripp.”  She also said that Johnston "spread false accusations" about her family, and that his Playgirl spread made her want to "puke."

She has not yet commented on Oglesby's alleged pregnancy.

Last month, a market research firm found Johnston to be the ninth most overexposed "celebrity" in America, just ahead of Khloe Kardashian.