Celebrity Celebrity Moms Olivia Wilde Shows Off Her Baby Bump in a Bikini in Hawaii By Rita Kokshanian Rita Kokshanian Rita Kokshanian is a Los Angeles-based writer and editor who covers celebrity, fashion, beauty, and lifestyle. She was previously an Assistant Editor for InStyle and is currently the Senior Copywriter at The Grind. InStyle's editorial guidelines Updated on April 18, 2016 @ 04:15PM Pin Share Tweet Email Photo: Splash News Oh, hey, Olivia Wilde's bump! The actress surprised us all today when she took to Instagram to announce she's pregnant with the most adorable bump-baring pic, and now we're getting another glimpse at her adorable belly. Wilde is currently vacationing in Hawaii with her fiancé, Jason Sudeikis, and their son Otis, and it looks like they're getting in all the R&R they can. On Sunday, the Wilde-Sudeikis bunch hit the beach, and the expectant mom looked good while doing it. Wilde showed off her barely-there bump in a black Solid & Striped bikini. She teamed the two-piece with a pair of denim short-alls and wayfarer sunglasses, making for a winning beach look. PHOTOS: Olivia Wilde's Best Maternity Looks While she was pregnant with son Otis, Wilde stepped out in winning maternity look after winning maternity look, each one better than the last. We can't wait to see what she wears this time around.