Alyssa Grabinski is a celebrity shopping writer for PEOPLE. She’s an expert at finding affordable lookalikes for celebrity-worn styles seen on Oprah Winfrey, Katie Holmes, and Kate Middleton. She also rounds up can’t-miss sales, the best weekend deals, and top-notch beauty buys celebrities are currently using.

We found the best deals at Merit Beauty, Ilia Beauty, Solawave, Shark, and so many more brands from just $5. But what’s more, all the products that are on sale have been used by or on celebrities: Take 20 percent off Martha Stewart’sOprah compared to cashmere, plus save on others used by Hilary Duff, Kate Hudson, Mandy Moore, Jennifer Garner, Anne Hathaway, and more stars.shared with her Instagram followers that she was “very into” it.

Martha Stewart Says She’s Been Using the Same Eyeliner for ‘15 or 20 Years’: ‘My Makeup Artist’ Is ‘Cringing’Black Friday Early Access! Merit Beauty's Celeb-Worn Makeup Is on Sale Now Jennifer Garner Jokes 'I Am My Own Worst Beauty Advice' as She Recalls Wearing 'Pancake' Makeup During Younger YearsMartha Stewart’s Cardigan Has a Cozy Detail Meryl Streep Wears, Too — Similar Styles Start at $29Martha Stewart Wore This Cool Pants Style for the Second Fall in a Row — They’re Comfier Than You’d ExpectReese Witherspoon’s Sneex Sneaker Heels Just Clinched a Spot on Oprah’s Favorite Things List 2024 — Here’s...

Anne Hathaway’s Polished Top Layer Resembles This $25 Cardigan That Amazon Shoppers Say L.