Celebrity Parents Hilary Duff's Cool and Casual Bump Style See how the new mom proved she was a fashion mix-master, switching from cozy sweaters and skinny jeans to sequined minidresses with ease By Shanelle Rein-olowokere Published on March 22, 2012 06:15 PM Share Tweet Pin Email Trending Videos 01 of 12 PRETTY IN PINK Bauer-Griffin Donning a bright rose sweater paired with her fave paisley scarf, new mom Hilary Duff – who gave birth to son Luca Cruz on March 20 – makes a colorful fashion statement while heading to a meeting in Hollywood on Feb. 20. 02 of 12 ON THE FRINGE Milton Ventura/Broadimage A month after her romantic babymoon in Hawaii with hubby Mike Comrie, the actress hits the streets of Palos Verdes, Calif., in a roomy open weave sweater, A Pea in a Pod mini jean skirt and slouchy boots on Valentine's Day. 03 of 12 HELLO, SUNSHINE! Milton Ventura/Broadimage On Feb. 9, Duff adds a pop of yellow – and a chic, multi-colored paisley scarf – to her gray and black ensemble for a leisurely walk in Beverly Hills. 04 of 12 GLAM MAMA Ramey For a day out (Dec. 29) with husband Mike Comrie in Beverly Hills, the expectant actress ups her style with an art-print cape-style shirt, navy jeans, cool shades and sky-high brown heels. 05 of 12 SWEET CHARITY BlackPanther/Abaca In a mustard knit minidress, The Girls black leggings and knee-high buckle boots, Duff stylishly hosts Danskin's "Move for Change" campaign event at Santa Monica's ICE rink on Dec. 10. “Now that I’m showing I’m kind of like, ‘Well, it’s there, and everyone knows it’s there,’ so I think it looks better to wear tighter clothes,” the actress told PEOPLE about her evolving maternity style. 06 of 12 MAD HATTER X17 On Dec. 2, the mom-to-be keeps a low profile – and her bump undercover – in a chic floppy hat, cozy sweater and leggings paired with a Hermès Birkin tote and low-heeled booties. 07 of 12 SHINE ON Tony DiMaio/Startraks At the Nov. 14 launch of The Beauty Book for Brain Cancer in L.A., Duff, who is expecting a boy this spring, glows in a citrine-colored sequin minidress and neutral accessories. 08 of 12 HIPPIE CHIC GSI Media Talk about comfy! While stepping out in Toluca Lake, Calif., on Oct. 29, the actress plays it cool in a black maxidress, light tie-dye jacket, low-slung belt and flip-flops. 09 of 12 SHORT STOP GSI Media Wearing a roomy cream top and purple shorts, a radiant Duff hits the stage at West Hollywood's The Grove shopping center to chat with Extra host Mario Lopez about her new novel, Devoted, on Oct. 14. 10 of 12 RED HOT Bauer-Griffin; Joe Corrigan/Getty While promoting her new book in N.Y.C. on Oct. 10, the mom-to-be opts for a bright orange blazer and navy tribal-print dress for an appearance on Good Morning America for day and glams it up in a red-and-black print dress, polka-dot tights and pink-and-red striped platform pumps for an evening event at Barnes amp Noble. 11 of 12 PRINTS CHARMING Ann Porter/Broadimage In Toluca Lake on Sept. 24, Duff proves patterns and pregnancy do mix in Funktional's Mayan Knit Skirt paired with a black top and YSL tote. 12 of 12 NEUTRAL POLISH Ramey A month after announcing her pregnancy, the actress shows off her barely-there bump in a comfy wrap sweater, burgundy top, tan jeans and pink Balenciaga City bag.