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Olivia Wilde was in a great mood after dinner with two gal pals at Hugo's in West Hollywood on Wednesday evening, and the actress showed off her big baby bump in a tight tee and black skinnies. Though it seems like it was just the other day that she confirmed her pregnancy, Olivia's due date is less than 6 weeks away -- time flies!

And that's not the only thing she has going on this spring! The starlet is gearing up to promote her new film, Better Living Through Chemistry, which will be released next month. The film is about a pharmacist (played by Sam Rockwell) whose "uneventful life spirals out of control when he starts an affair with a trophy wife customer who takes him on a joyride involving sex, drugs and possibly murder." Of course, Olivia plays the trophy wife ... can't wait for this one!