Fashion this week: Fabulous dresses by Celia B, Beyond Yoga's 'Glowzone' and sales to shop now

Fashion is fickle, but here at "Good Morning America," we've got our eyes on the trends, launches, sales and more you need to know about before you shop.

This week's offerings include a new line of performance activewear from Beyond Yoga, a fresh-to-us brand with the eye-catching color and design details to make any maximalist jump for joy, fresh sneaker Mary Janes from Ryka, and a handful of sales from some of our favorites.

Beneath that, we've picked five bestsellers from Old Navy, Spanx, Merrell and more that are discounted and selling fast.

Keep reading to find out more!

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New and notable

• Beyond Yoga launched its first performance activewear line with the "Glowzone," a collection of sports bras, workout shorts, cropped tanks, flowy pants and more. Brand loyalists will enjoy the comfort and style they already love, now designed with more support for those high-intensity sweat sessions.
• With Spain winning the world cup, there's no better time to get acquainted with a "Spanish-bred" brand built on whimsy and maximalism: Celia B. A new-to-us brand for "GMA," Celia B.'s newest pieces are color-soaked, exquisitely detailed dresses and separates that work equally well for special occasions -- or just the special occasion of being boldly yourself. Check out all the new launches here, or browse some of our favorites below.
• Looking to try out the Mary Jane sneaker trend? If the big-name brands seem too on-the-nose, go for Ryka's Era Mary Jane. It's available in five stylish and versatile colors, all of which are on sale via Amazon right now.

Fashion sales to shop this week

Don't miss our coverage of the Nordstrom Anniversary Sale happening right now, with picks for men, women, shoes and accessories, and more, plus, check out this handful of deals from other "GMA" favorites you'll want to bring home.