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Kristin Cavallari is one red-hot mama-to-be!
The Hills star showed off her tiny baby bump Wednesday night at the premiere This Means War in L.A.
Drawing attention to her toned legs with a supershort hemline, Cavallari even rocked some sky-high nude, peep-toe stilettos with her sexy little red dress. The 25-year-old tweeted a picture of herself on the red carpet, writing, "U can see a little baby bump!"
But pregnancy hasn't been just parties and Twitter for the former Dancing With the Stars contestant….