Key Piece
"Phillip Lim's dresses are whimsical and elegant. He always manages to create a beautiful, slightly playful silhouette." Handkerchief-neckline dress, $650, 3.1 phillip lim, (212) 334-1160.
Final Touch
"A statement necklace makes an everyday outfit more interesting—plus, it's something for your kid to fiddle with." Serena glass-pearl necklace, $225, Roxanne Assoulin for Lee Angel, NeimanMarcus.com for stores.
Color Palette
"I love makeup-y nudes and cinnamons paired with little shots of neon—we'll be seeing more of that this fall."
Beauty Trick
"My favorite shade of red lipstick is this perfect blend of red and orange. It makes my skin look vibrant." Heat Wave lipstick, $24, Nars, NarsCosmetics.com.
Kids' Kicks
"Crewcuts carries a few of the classic brands we love, in addition to our own line." Sneakers, $50, Adidas, JCrew.com. MacAlister boots, $95, J. Crew, JCrew.com. Topsiders, $48, Sperry, JCrew.com.
Carryall
"I used a nylon backpack for my diaper bag. It folds up into its own little package." Collapsible pack, $15, Reisenthel, TouchOfEurope.net.
Splurge-o-meter
What does Lyons save—and spend—the big bucks on?
"I'm newly obsessed with this day cream. I find that as I get older my face doesn't have any shine to it anymore, and this makes me look dewy, not matte. You want there to look like there's moisture in your skin, so it reflects a little light."
Quince day cream, $36, DrHauschka.com.
"I'm so excited for when Beckett fits into all of the Crewcuts stuff—we just did a kids' skinny jean, which I'm taking home to him to try on tonight."
Sandlot kids' jeans, $40, crewcuts by J. Crew, JCrew.com.
"I try to wear things that my son is comfortable rubbing against if I pick him up. I don't think I've worn any sequins more than once since having a baby! They're on the back burner for now."
Mohair Souffle cardigan, $88, JCrew.com.
"Makié clothes are just beautiful, quality pieces; I wish Beckett wasn't about to grow out of their sizes!"
Kids' kimono cardigan, $115, Makié, MakieClothier.com.
"These jeans have a soft leather waist band I love—it's actually really soft and considering my stomach is not what it used to be, it's great."
Hancock jeans, $220, Paige Denim, PaigeUSA.com.
"I love heels, and I wear a ton of them. Every once in a while I even wear them to the playground, but then I always feel hysterical."
Jemma jeweled T-strap heels, $325, JCrew.com.
