Style Scoop: Sophia Bush for Warby Parker, Hayden Panettiere’s JewelMint Collaboration, Zac Efron for John John Denim and More Fashion News

From the latest designer dish and celebrity collaborations to the latest lines, we’ve got all the fashion news you need to know.

Cool eyewear purveyor, Warby Parker is teaming up with Sophia Bush. The Partners star and ambassador for Pencils of Promise – a non-profit organization focused on education – has partnered with Warby Parker to create two limited edition frames to benefit the organization.

Both pairs of unisex specs feature amber-colored lenses and will be available on the company’s site for $90 — $30 of which will be donated to Pencils for Promise. The cherry on this charitable sundae is that Warby Parker will also donate eyewear to someone in need for every pair of shades purchased through its Buy a Pair, Give a Pair Program.

But Bush isn’t the only star using her design skills to do good.

Hayden Panettiere can now add jewelry designer to her ever-growing resume. The Nashville star has partnered with JewelMint to raise money for the Whaleman Foundation, which holds a special place in the marine activists heart. Panettiere collaborated with the  jewelry site on a one-of-a-kind necklace, appropriately dubbed the “Hayden Necklace.” Half of all proceeds from the necklace –  which is available at JewelMint.com for $29.99 — will go to the Whaleman Foundation, a non-profit research organization that is dedicated to ocean protection and preservation.

Denim’s new famous face caught us by surprise. In his first fashion campaign to date, Zac Efron shows off his dance moves in a new commercial for Brazilian denim company John John. The Paperboy actor is featured in both the print and video campaign, modeling the edgy denim styles on the gritty streets of Los Angeles. [In Style]

Lauren Conrad is making it easy to find the perfect outfits for all your holiday parties without breaking the bank. The former Hills star debuted her holiday collection for Kohl’s, which is full of easy-to-mix basics with a youthful flair and too-good-to-be-true price tags, from bright blazers and floral blouses to a goes-with-everything little black dress. But the highlight of the collection is a silver sequined dress that has New Year’s Eve written all over it, and at just $80,  you’ll have plenty of money leftover for all your holiday shopping. [Kohl’s]

Also joining the style world, Emma Roberts has landed her first fashion gig with the shopping app Snapette. She’ll serve as fashion advisor for the first-ever location-based shopping app, which allows users to brows products that are available in nearby stores and upload photos of their latest shopping purchases. The app will allow people to follow Roberts’ fashion finds and take a sneak peek inside her covetable closet. [People]

Celebuzz saved the best news (at least for your wallet) for last. Two of our favorite designers are now making their fashion more affordable with lower-priced lines.

For those Target capsule collection fanatics out there, Prabal Gurung — a favorite of Michelle Obama and Kate Middleton – has been tapped as the retailer’s latest designer collaboration. Hitting stores in Feb. 2013, the 80-piece collection will will feature clothes, handbags, jewelry and shoes, with prices ranging from $19.99 to $199.99. In  a statement, Gurung told Target’s online magazine, A Bullseye View that the clothes are inspired by “a girl’s journey through the different stages of love and the clothes she wears during each milestone—from the first date to meeting the parents to the engagement.”  [Target]

Another favorite for feminine prints and silhouettes, Kate Spade confirmed they will be launching a lower-priced line of casual pieces. The aptly-named Saturday line is full of chic weekend styles — ranging from dresses, casual separates, knitwear, and denim to outerwear, swimwear, and accessories — as well as beauty products, home goods, and tableware. Launching online this spring, prices will center on the $25 to $90 range. [Kate Spade]

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