News Olivia Wilde's Black One-Piece Swimsuit Has the Most Unexpected Details By Olivia Bahou Olivia Bahou Facebook Olivia Solomon is a New York-based writer and editor who covers all things fashion, lifestyle, celebrity, and pop culture. She was previously the Assistant Digital Editor for InStyle, and her work has appeared in many national publications. InStyle's editorial guidelines Updated on November 20, 2017 @ 06:00PM Pin Share Tweet Email Olivia Wilde made a black swimsuit look anything but basic while vacationing with her family in Hawaii this week. The mom of two showed off her incredible bod in a solid-colored one-piece when she hit the beach with fiancé Jason Sudeikis and their kids, 3-year-old Otis and 1-year-old Daisy, and we are obsessing over her suit’s unexpected details. The seemingly simple swimwear actually featured buckles on each strap, giving it both an unexpected added flair and an easy place to adjust the length of the suit. The one-piece also had a low back, and the two straps joined in a V far below Wilde’s shoulder blades. Chaos-Stewy / BACKGRID The actress made a black swimsuit look anything but basic while vacationing with her family in Hawaii this week. Wilde showed off her incredible bod in a solid-colored one-piece, which featured buckles on each strap, giving it an unexpected added flair. Chaos-Stewy / BACKGRID The actress kept her makeup minimal and wore her short bob in authentically beachy waves. She accessorized simply with rose-colored shades and wore her engagement ring on her left hand. See more celebrities wearing swimsuits in our gallery. Olivia Wilde Shares 3 Easy Holiday Gift Ideas that Are Thoughtful and Inexpensive Wilde has been sharing a few photos of kids Otis and Daisy, seemingly from their tropical getaway, on Instagram. In the gorgeously-lit pics, both of Wilde and Sudeikis’s little ones take in the view from a deck with lawn chairs visible in the background. Looks like this family is enjoying some well-deserved time off.