Jessica Alba just gave Us a masterclass in effortless power dressing. She was recently spotted at the U.S. Open, wearing a chic navy suit set that screamed 'New York City rich mom.' While her designer set is a total splurge, we found a $57 version on Amazon that channels the same luxe vibe. For the tennis match, the Honest Beauty founder leaned into sporty-chic sophistication, pairing a navy Ralph Lauren sleeveless vest with matching wide-leg pants, platform sneakers and cat eye sunglasses. It's an easy outfit formula for looking put-together without feeling overdressed, which is why we're grabbing this chic lookalike to elevate our fall fashion game. See it! Get the Luvamia 2-Piece Sleeveless Vest Pantsuit Set for just $57 at Amazon! Please note, prices are accurate at the date of publication, September 10, 2025, but are subject to change. Katie Holmes' Moto Jacket Is a Cool-Girl Essential - This on-Sale Lookalike Is $35 If Alba's exact Ralph Lauren suit set isn't in your budget, the Luvamia 2-Piece Sleeveless Vest Pantsuit Set is the perfect affordable alternative. The sleeveless vest has a structured, button-front design that's sleek and polished. It's paired with matching wide-leg trousers, which have subtle pleats to create a long, lean silhouette. With a soft and stretchy fabric, the suit is made for all-day wear and moves with you while maintaining a structured fit. You can snag it in Alba's near-exact navy color or explore other elevated hues, like beige, black and rose. Offered in sizes S to XXL, it's an accessible, flattering option for many body types. Channel Alba's courtside style by pairing the set with sleek sneakers, oversized sunnies and a crossbody bag for an effortless rich mom vibe. Or go tonal by pairing the set with nude heels, delicate jewelry and a structured bag for a minimalist office look. Whether you're heading to brunch, boutique-hopping or even a work presentation, it's an easy, mix-and-match-worthy option for any occasion. Amazon See it! This two-piece set recreates Alba's designer vibe, but there are several other similar options on Amazon. We rounded up our favorites below. Shop more navy two-piece suit sets that we love: Casly Lamiit 2 Piece Sleeveless Wide Leg Pantsuit Set - was $70, now $64! Generic 2-Piece Vest and Pant Suit Set - $29! Kirundo Two-Piece Vest and Wide Leg Pant Matching Set - $50! LookbookStore Two Piece Sleeveless Vest and Pant Set - $40! Ficerd 2-Piece Sleeveless Vest and Wide Leg Set - $50! Not your style? Explore more navy suits here and don't forget to check out all of Amazon's Daily Deals for more great finds! Amanda Seyfried's Blush Blazer Screams 'Effortless Sophistication' - Get It for $40 Us Weekly has affiliate partnerships. We receive compensation when you click on a link and make a purchase. Learn more!