The 33-year-old masters comfy-chic.
Wearing a Cynthia Vincent maxi dress, Rachel is radiant.
Rachel's printed sweater looks like a throwback to Summer Roberts from her The O.C. days.
Found: The perfect LWMD (little white maternity dress).
The Heart of Dixie star looks comfy chic as she feeds the meter in Beverly Hills.
Rach makes a quick trip to the bakery in a breezy black maxi.
As baby watch begins, The O.C. alumna rocks a loose-fitting dress while grabbing a bite to eat.
The momma-to-be livens up her usual LBD with colorful stitched details.
The Heart of Dixie star goes back to her fave red-framed sunglasses and checkered sneakers, but ditches her long black dress in favor of a shorter version.
The Hart of Dixie star goes for comfy-chic with a black maxi dress and oversized cardigan.
This flowing brown dress paired with red-framed sunglasses is the perfect outfit for shopping comfortably, no?
Bilson skilfully disguises her growing bump with a crisp white shirt and denim shorts while out in LA.
Staying true to her boho-chic style, Rachel whips out loose printed mini for a shopping trip in LA.
Don't' be fooled—she may be wearing a big apple on her maternity dress, but the Heart of Dixie star is actually in LA.
Rachel shows off her growing bump in a flowy white top while running errands in LA.
She's a soon-to-be momma bear, but Bilson instead picks a cheetah print dress for her latest maternity look.
With fiancé Hayden Christensen in tow, Rachel heads out for a birthday celebration in LA wearing a colorful tunic.
Rachel brings comfy-chic to the next level with stylish stripped trousers and a simple black tank running errands in LA.
Heading home from her month-long babymoon, the momma-to-be wears a cozy sweater and baseball cap as she makes her way through LAX.
The Heart of Dixie actress shows off her growing bump on her babymoon in Barbados.
The Heart of Dixie stars channels her southern show with a floral blouse and distressed denim shorts on a shopping trip in Barbados.
The pregnant starlet wades in the water in Barbados sporting a scalloped black bikini.
Just two days before their baby reveal, Rachel (wearing a loose white frock) and fiancé Hayden Christensen are all smiles in Cannes.
A week before her big baby announcement, Rachel disguises her little bump Mary Katrantzou jewel-print dress at the CW Upfront's in NYC.