Alyson Hannigan's Sunny Maternity Style

Alyson debuted her bump in October while shopping at the Brentwood Country Mart with husband Alexis Denisof. We're loving her flowing blouse and comfy jeans!

Get the Look: Silk tie blouse by MICHAEL Michael Kors, $100
Where to Buy: vivre.com

Joking around with Alexis on the red carpet at the 15th Annual Lint Roller Party, Alyson glowed in a pretty blue party dress.

Get the Look: Empire waist dress by Victoria's Secret, $118

Where to Buy: victoriassecret.com

Alyson (out with Alexis in mid-January) kept it cozy – yet svelte – throughout her pregnancy while practicing Pilates.

Get the Look: Flock of Peace T by Full Tilt, $19.99, with Dri-FIT Loose Fit Women's Sports Pants by Nike, $55

Where to Buy: Shirt, tillys.com and pants, nike.com

The How I Met Your Mother actress hammed it up with costars Neil Patrick Harris and Cobie Smulders – also pregnant! – while looking radiant at an awards ceremony in late January.

Get the Look: Long halter dress by A Common Thread, $378

Where to Buy: revolveclothing.com

Alyson stayed soft and floral in a sweet printed dress while leaving a knitting class at Santa Monica, Calif., yarn shop Wildfiber.

Get the Look: Blue floral silk eyelet dress by Shoshanna, $237

Where to Buy: bluefly.com

The 35-year-old stepped out in Brentwood, Calif., looking flirty and feminine in a pink maxi dress topped with a denim jacket.

Get the Look: Ombre leaf-print maxi dress by Maggy London, $138, with a City Style denim jacket by New York amp Company, $49.95

Where to Buy: Dress, nordstrom.com and jacket, nyandcompany.com

Alyson kept it cool on a sunny March day in an airy white tunic and leggings.

Get the Look: Embroidered gauze tunic by Eddie Bauer, $79

Where to Buy: eddiebauer.com

The actress made a statement on St. Patrick's Day – Erin go Bragh! – in a fun and festive T-shirt.

Get the Look: Everyone Loves an Irish Girl Maternity T, $32.99

Where to Buy: lekkerseasons.com

Stepping out in Santa Monica just weeks before her due date, Alyson was the epitome of spring in a pretty purple ensemble.

Get the Look: ¾-sleeve tie detail maternity blouse by Pea in the Pod, $99.99, with a Jackie cardigan by J. Crew, $59.50

Where to Buy: Top apeainthepod.com and sweater, jcrew.com

Just days before giving birth, Alyson was spotted out and about in a cozy gray hoodie. Alexis even dressed to match!

Get the Look: Hooded sweater dress by Isabella Oliver, $210

Where to Buy: isabellaoliver.com