Step away from the athleisure. 'Brentwood mom' fashion is TV's hottest trend

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Christa Miller, who plays consummate mother and opinionated neighbor Liz on “Shrinking,” has one piece of advice for parental dressing: Step away from the athleisure.“You’re not going to feel confident in workout wear,” says Miller.She and the show’s costume designer, Allyson B.

Fanger, are very intentional with Liz’s outfits, a master class in effortless yet accessible casual chic: Bold colors, layered tops, cheeky accessories and a liberal use of stripes.“The character totally could have been [in] Lululemon, but I didn’t want to fall into that trap.” Instead, Miller says they chose to spotlight Californian brands like Clare V, Jennifer Meyer, and fittingly, Mother, styled “a little off” for looks that have become so popular that Fanger created a LookLikeLiz hashtag on Instagram for fans.Miller is just one of the stars pulling focus for their characters’ distinctive style on shows that are contenders in the Emmys race this year: Keke Palmer (“The ‘Burbs”), Sarah Snook (“All Her Fault”), Lucy Punch (“The Audacity”), Elle Fanning (“Margo’s Got Money Troubles”) and others all have fans buzzing about their fashion.

And costume designers and style experts agree that the inspiration goes both ways.“There was this expectation that once you became a mom, the attractive parts of you got set aside because you were just a mom,” says Shana Draugelis, founder and CEO of lifestyle and shopping website the Mom Edit, which recently ran a detailed feature on Liz’s wardrobe.“With the advent of Instagram, the whole style game has just completely leveled up.”Liz’s looks, which Miller says are inspired by “Brentwood mom” style, reflect the character’s personality.

“She’s not going to work, but she does want to have a certain element of presence,” says Fanger, who is a five-time Emmy nominee for her work on “Grace and Frankie.�...