It looks like all that hard work paid off, because the 31-year-old singer took to Twitter Tuesday with some big news.
"I'm pregnant!!! Brandon and I are so excited!" Clarkson said. "Best early Christmas present ever :)"
The happy couple tied the knot only a month ago.
Blackstock, Reba McIntire's stepson and Blake Shelton's manager, has two children from a previous marriage -- Savannah, 12, and Seth, 6.
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