Think Amazon Prime Day is over just because it's the last day of deals? Think again. Amazon is quietly hiding one of its best designer sales of the season, with major discounts on coveted brands like Madewell, Tory Burch, Clare V., Donni, Rails, Lack of Color, and more on the Shopbop storefront.

From bestselling handbags and elevated summer dresses to trendy denim, accessories, and vacation-ready staples, these limited-time deals are easy to miss—but too good to ignore.

• Best Madewell Amazon deal: Madewell Women's Rugby Polo
• Best designer dress deal: Lioness Women's District Maxi Dress
• Best designer accessory deal: Tory Burch Women's The Racer XL Tote

Whether you're refreshing your warm-weather wardrobe or investing in timeless pieces at a fraction of the price, this secret Amazon sale is packed with fashion finds shoppers are snapping up before they sell out, including shorts, dresses, purses, summer hats, belts, and more.

The best part? You don't have to search for hours to uncover the hidden gems. We've rounded up the standout designer deals worth adding to your cart now, because these markdowns won't stick around for long.

Coming in a rugby stripe, this boxy shirt is finished with a classic polo collar, concealed placket and relaxed dropped shoulders. Put this on with your favorite denim for a sporty touch.

Bold, sleek, and effortlessly sexy, the District Maxi Dress is made for the girl who owns every room she enters. The plunge neckline and tie-up halter draw the eye, while the open back adds a daring, modern edge. Cut on the bias for a flawless fit, it moves with you.

A polished take on the western look, this three-piece leather belt has a chunky buckle, a slim brass keeper and a metal tip.

A low-key option for balmy days, this lightweight Z Supply dress features an understated neutral shade and a classic empire silhouette.

You need an adorable straw hat like this designer on-sale option to protect your face from the summer sun.

The Paradise Mini Short strikes the perfect balance between effortless and elevated. Designed in a low-rise, mini silhouette, it sits easily on the hips with a confident, off-duty feel. Lace panels add a subtle, feminine edge, while the slightly sheer finish brings a hint of allure.

Look and feel like a goddess this summer in this soft, stretchy, off-the-shoulder maxi dress. Choose from two colors.

This chic, functional, and fun tote bag is the perfect thing to bring to the beach, the park, or anywhere summer fun might take you.

The Pop Boxer is crafted from 100% cotton poplin. They're lightweight, breathable, and perfect for lounging or on the go. This pair is on sale!

Known for airy fabrics, playful, of-the-moment silhouettes, and feminine details, En Saison’s designs are infused with of-the-moment twists on classic silhouettes. Each style is everlasting and aligns with their mantra, “in season.” Get this dress on sale now.

This playful halter mini is on sale now for Amazon Prime Day!

These on-sale low-slung, slouchy fit jeans with tapered silhouette feature distressed detailing throughout, paint splatter accents, oversized patch pockets, contrast drawstring waist, and a pull-on style.

The Nastia is a fitted maxi dress with wide shoulder straps, crafted from luxurious textured stretch knit from the shoulders to mid-thigh. We love the mermaid-like rope bottom with shell accents for summer! Get it on sale now.

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As an editorial team, we independently create content and determine coverage based on research, reporting and what we think our readers would like to read about. The goal of our content is to provide a service and inform readers who are on the hunt for the latest products to help make their life better. Items are sold by retailer, not E!. Pricing and availability are accurate as of publish time.