If you click on links we provide, we may receive compensation. Shopping Fashion Clothing Tops & Blouses Jennifer Lopez and Martha Stewart Turned a Classic Button-Down Shirt Into a Fall-Ready Staple Get similar looks to layer under chunky sweaters and cozy vests starting at $16 By Miles Walls Miles Walls A veteran journalist, Miles Walls is a quality team writer for Dotdash Meredith brands like PEOPLE, Food & Wine, and Real Simple. If there’s a bargain to be had, Miles will find it and tell you about it. He’s also an avid baker, hiker, trivia buff, and eager traveler. People Editorial Guidelines Published on November 3, 2024 09:00AM EST Photo: Jennifer Lopez/Instagram; Martha Stewart/Instagram A classic button-down is an underrated closet staple we all have and wear. But leave it to celebrities to remind us just how versatile the top can be when layered underneath sweaters and vests. Jennifer Lopez recently wore a white button-down shirt with vertical gray-colored stripes button-down layered with a gray V-neck sweater vest and styled with hoop earrings. Martha Stewart also turned a crisp white shirt into a fall style by wearing it with a cozy royal blue wide-neck sweater while hosting a cooking demo on social media. It’s a laid-back style that’s easy to emulate with items you already own. If you need more inspiration for your own celebrity-inspired look, scroll on for button-down shirts, sweater vests, and crewneck sweaters from popular brands like Gloria Vanderbilt, Time and Tru, and Free Assembly at Walmart, all under $30. Button-Down Shirts, Sweaters, and Sweater Vests Under $30 Button-downs: Free Assembly Cropped Button-Down, $22 Gloria Vanderbilt Amanda Shirt, $20 Wataxii Striped Classic Button-Down, $20 Time and Tru Button-Down Shirt, $16 Siliteelon Button-Down Blouse, $20 Time and Tru Button-Front Shirt, $20 Crewneck sweaters: Asklazy Soft Crew Neck Sweater, $19 (orig. $51) Dokotoo Crewneck Pullover Sweater, $23 Sweater vests: Dokotoo Loose Fit Sweater Vest, $28 (orig. $46) Women's Crewneck Sweater Vest, $28 (orig. $50) Katie Holmes Made a Timeless Fall Outfit from These 4 Closet Staples — Get the Look from $24 Free Assembly Cropped Button-Down Walmart $22 at Walmart This slightly-cropped button-down is available in stripes like Lopez’s and solids like Stewart’s, with a soft point collar that will wear well with both V-neck and crewneck sweaters. Shoppers say the blouse is the perfect length to wear untucked thanks to a boxy fit that’s not too loose, and there’s even a small button at the back of the collar to keep it crisp and neat. Asklazy Soft Crewneck Sweater Walmart $51 $19 at Walmart This lightweight sweater is tailor-made for layering, and its relaxed crewneck is ideal for showing off a button-down, Martha Stewart-style. It’s available in a variety of colors, including eye-catching hues like Stewart’s, and this one has subtle cable-knit detailing down its sides that add a touch of texture. Lantern sleeves, drop shoulders, and a looser fit make this an easy style win. Dokotoo Loose Fit Sweater Vest Walmart $46 $28 at Walmart This relaxed-fit sweater vest is so similar to the one that Lopez was recently spotted wearing, including a ribbed V-neckline, drop shoulder, and fall-ready knit design. This plush vest adds touchable texture with cable details on the front and back, and one shopper called it their go-to item for fall, while others praise its oversized fit, softness, and perfect length. Gloria Vanderbilt Amanda Shirt Walmart $20 at Walmart We can all appreciate the roomy cut of an oversized shirt, like this one in 100-percent cotton. The rounded hem stays put when tucked in and peeks out just enough when untucked and layered under a sweater like Stewart did. The sleeves can be worn long or rolled up and secured with a button loop for warmer fall days. Keep scrolling to shop more button-downs, sweaters, and sweater vests inspired by Jennifer Lopez and Martha Stewart at Walmart, all under $30. Wataxii Striped Classic Button-Down Walmart $20 at Walmart Time and Tru Button-Down Shirt Walmart $16 at Walmart Dokotoo Crewneck Pullover Sweater Walmart $23 at Walmart Women's Crewneck Sweater Vest Walmart $28 at Walmart See More from PEOPLE Shopping 10 Fashion Gifts You Won’t Believe Are from Walmart — All Under $20 Ugg Boots and Slippers Are Up to 52% Off Ahead of the Holidays, but Only for a Few More Days 10 Thanksgiving-Ready Dresses That Are Just as Comfy as They Are Cute — Starting at $8