Why Jaime Pressly Split With Hubby of 16 Months, Simran Singh

 Alexander Tamargo/WireImage.com

So far, 2011 hasn't been a banner year for Jaime Pressly.

Less than three weeks after the My Name is Earl actress, 33, was arrested on suspicion of a DUI, multiple sources confirm she and entertainment lawyer husband Simran Singh are calling it quits.

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"They are done," one insider tells UsMagazine.com of the pair, who wed in September 2009.

Adds another, "It's over. I don't think they have officially filed anything yet though."

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Continues the second source, "I think it comes down to she married this guy too fast. He seemed like a good guy but he is super full of himself and puts her down for everything. He picks fights with her for any little thing."

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The insider adds that Pressly is most heartbroken over how the separation will affect her three-year-old son Dezi (with ex-fiance Eric Cubiche.)

"She doesn't want to confuse him," says the source. "Her baby is her top priority. She is a strong girl though and she will come out of this fine."

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