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Kristin Cavallari is pregnant with her first child, and this petite star will probably not be showing for awhile! She and her fiance Jay Cutler have been together since August 2010 and announced the pregnancy over the weekend.

Ms. Cavallari, wearing a stunning black trench and black tights, was all smiles as she left the Petit Ermitage hotel in West Hollywood.

The blonde fashionista might as well enjoy wearing her Christian Louboutin boots now because soon enough, she'll be trading those in for some flats. Well, unless she pulls a Victoria Beckham and rocks stilettos until her due date.

See more of Kristin's first appearance since announcing her pregnancy in our gallery below.