Celebrity Parents Rachel Bilson's Boho-Chic Bump Style Signature red sunnies, flowy sundresses and one teeny bikini – see how the mom-to-be stays stylish while expecting By Laura Lane Laura Lane Laura Lane is a former features writer and entertainment correspondent at PEOPLE. She left PEOPLE in 2015. People Editorial Guidelines Published on October 7, 2014 07:00PM EDT Close 01 of 12 WHITE PARTY Vladimir Labissiere/Splash News So much to do before the baby is due! Before welcoming daughter Briar Rose with boyfriend Hayden Christensen on Oct. 29, Rachel Bilson goes for chic and comfy looks while in the home stretch of her pregnancy, choosing a breezy white Cynthia Vincent maxi dress during an Oct. 16 L.A. shopping trip. 02 of 12 SIP STOP Splash News Online Talk about high and low fashion! Bilson pairs a black quilted Chanel bag with a loose and shredded tunic on Sept. 30 in Los Angeles. 03 of 12 OVER & UNDER AKM-GSI Channeling her inner farm girl? There's plenty of room for her growing bump in those blue jean overalls, which the actress caps off with a casual baseball hat while out in Ventura, California, on Aug. 24. 04 of 12 FLOWER CHILD Ramey How sweet! The mom-to-be lets it flow in a rosy floral sundress on Aug. 17 in Toluca Lake, California. 05 of 12 CAFTAN OF MY HEART FameFlynet Only this girl can make a muumuu look cool! The Hart of Dixie star hits the shops in Studio City, California, on Aug. 14 in an embellished dress and neon strappy sandals. 06 of 12 MINI MART Pacific Coast News What bump? Bilson's formfitting black minidress (paired with a cute boho bag and red shades) disguises her bump as she picks up some comfy pillows at an L.A. Bed, Bath and Beyond on Aug. 10. 07 of 12 MAXED OUT FameFlynet It's all about pregnancy pampering! Bilson leaves a Sherman Oaks, California, nail salon on Aug. 7 in a cozy and comfy maxi dress, tribal-print sweater and checker-print sneakers. Of course, the red sunglasses make a comeback. 08 of 12 BACK TO BLACK AKM-GSI In her signature shades (again!) and a loose spaghetti-strap dress, the actress heads out shopping in Hollywood on Aug. 2. "I've always looked young because I'm so short, and especially if I'm dressed down. When I have a baby, everybody’s going to be like, 'Awww, poor teen mom. Poor girl,'" she has joked. 09 of 12 URBAN DWELLER Pacific Coast News Seeing red? Back in her sunnies and a loose embroidered minidress, Bilson is quintessentially boho-chic as she and a pal head to Urban Outfitters in Los Angeles on July 31. 10 of 12 SHOP GIRL REX USA The smiley star keeps things simple on July 14 in a breezy white tunic, denim shorts, kitten heels and cute side braid while shopping in the O.C… oops, Los Angeles. 11 of 12 ISLAND STYLE Splash News Online Though she is reportedly expecting a daughter, Bilson goes slightly tomboy in cool tribal-print shortalls while browsing a Barbados farmers market with a fruity drink on June 8. 12 of 12 BEACH BABE Splash News Online Just let the bump do the talking! Bilson shows off her growing belly in a Summer Roberts-esque bandeau bikini during a May 24 beachy trip to Barbados with boyfriend Hayden Christensen.