Marc Jacobs for Diet Coke: Marc Jacobs has signed on as the creative director of Diet Coke for 2013. The new role has the ripped fashion designer posing shirtless with Coke cans in commercials that will run across Europe, where the beverage is celebrating its 30^th anniversary. Jacobs has also designed three cans and three bottles for the milestone, inspired by the 80s and 90s. “I still think it’s hysterical people want me to take my shirt off” Jacobs told WWD, “I’m going to be 50 in two months, so I guess I should be glad.” [WWD]

Anna Piaggi Clothing Exhibit: Legendary fashion journalist Anna Piaggi, who passed away last fall, was as well known for her signature sense of style as she was for her carefully-written articles. But her enormous wardrobe is about to find a new home, says WWD. The city of Milan is working with Piaggi’s family to set up a permanent exhibition of her clothes—the first step in the city’s creation of a public fashion museum, expected to open later this month during Milan Fashion Week. [WWD] 

Gisele’s New Chanel Campaign: Gisele has scored herself a new contract. The world’s top-earning model has signed on as Chanel cosmetics’ newest face and will front their Les Beiges collection of mattifying powders. [The Cut] 

There's Now A Thing Called 'Anorexxxy' Sunglasses: Exciting development in sunglasses for spring: eyewear designer Thierry Lasry has collaborated with Russian street style catnip, Miroslava Duma, on a line of sunglasses. Seemingly merging the worlds of explicit videos and, well, eating disorders into a single consumable product, the two have curiously named their sunglass style the ‘Anorexxxy 247.’ It’s available at the newly launched site The Editorialist, starting today. [Fashion Beast Inbox]

When Cy Lauz, an interior designer and fashion stylist, was transitioning from a man to a woman in 2006, she was disappointed to discover that there was no lingerie brand that specifically catered to transgender women.

“I was really determined to either find something or make it,” she told The Daily Beast.

Audrey Hepburn famously bounced around a Montmarte café in razor-slim slacks for her 1957 film Funny Face.  Ingénues Clémence Poésy and Caroline de Maigret have since been spotted in similarly hip Parisian districts in trousers. But according to one antiquated French law, all of this pants-wearing has been illegal – until now.

A 214-year-old law that banned women from wearing any form of menswear in Paris was finally revoked last Thursday—the result of decades’ worth of outcry from feminist lobby groups.

Shall we call this a comeback? John Galliano, the disgraced designer who was fired from Christian Dior after anti-semetic rants in a Paris bar, is finally firing back. On Monday, he won the first round in a case against Dior in French Labor Relations Court, according to his lawyer, Chantal Giraud-van Gaver of Coblence & Associés. The court ruled that it was fit to hear the designer’s claims against his dismissal from Dior in March 2011.

A lawyer for the other side, Christian Dior Couture, argued that the case should be heard by a commercial court because of the elaborate contracts held between the house at the designer. That lawyer, Jean Néret of Jeantet Associés, argued that Galliano should be viewed as an independent contractor of the company, rather than as an employee.

Allison William’s First Endorsement: Allison Williams’s all-American beauty has landed her a skincare contract. The Girls actress has signed on as the face of Simple skincare, a brand that’s formulated for sensitive skin-types. [People StyleWatch]

Raf Simons Dior a Hit: In other Dior-related news, it seems like Raf Simons’s version of Dior is a hit. The house of Christian Dior increased its overall sales by 24 percent in 2012. The LVMH brand’s sales totaled close to $1.59 billion this year. But that pales in comparison to LVMH flagship brand Louis Vuitton, who’s sales clocked in at $10.68 billion last year. [WWD]

Beyoncé stunned audiences and fashion fans in a Superbowl half-time performance that included pyrotechnics and appearances from her former Destiny's Child bandmates. But her revealing leather and lace mini-dress also came as a surprise. Many expected that she’d wear a big-name designer like Givenchy (at one point the French house was considered a shoo-in)—but it was the work of a relatively unknown designer named Rubin Singer, who’s operated his own label in New York since 2007. And in addition to designing Knowles’s ensemble, Singer also created costumes for her Destiny’s Child bandmate Michelle Williams, as well as the performance’s 120 backup dancers (Kelly Rowland wore Pucci). “I have to tell you, this is a moment,” Singer told The New York Times' Cathy Horyn. “It’s the biggest moment of my career.”

But this isn’t the first time that Knowles has sprung for Singer’s work. She’s consistently worn his designs since 2010. And the Knowles affection has even spread to Beyoncé’s younger sister Solange, who wore a white gown by Singer to a gala in September 2012. His work has previously been spotted on Rowland too, in addition to other stars like Alicia Keys and Heidi Klum. In a press release detailing his Super Bowl creations, Singer announced that all of the costumes associated with Sunday’s performance took over two months of planning, more than 200 man hours, and a team of 14 to pull off. The designer was also present during last-minute fittings at the Superdome to make sure that “everything was perfect for the big night.” 

Carine Roitfeld's CR Fashion Book debuted in September to a lot of noise. The theme of the magazine's first issue was rebirth -- which made sense because it marked Roitfeld's return after her departure as editor of French Vogue -- and because her daughter, Julia, was pregnant with a baby girl. "It's become an obsession," she told us at the time. "Everyone can interpret the theme in a different way: it could be birth, babies, it could be death -- it could be so many different things." But, she hinted, the next issue "will be a totally another world." Already, that seems to be the case: a series of exclusive images they've released to tease the upcoming second issue (one of which appears exclusively here) reveal graceful women in various Spring fashions frozen in different ballet positions. The issue hits stands later this month, and will appear on CRFashionBook.com.

Lena’s New Show? Lena Dunham is reportedly teaming up with GIRLS executive producer Jenni Konner to create a new HBO show about legendary Bergdorf Goodman personal shopper Betty Halbreich. The network has reportedly optioned Halbreich’s upcoming book All Dressed Up And Everywhere To Go, and has assigned Dunham the task of fleshing it out into a viable series. [Deadline]

OC x DKNY: Opening Ceremony’s collaboration with DKNY launches today in the cool-kid retailer’s four worldwide locations. The project is intended to bring back DKNY’s signature look of the 90s—a decade that’s received a serious fashion revival in recent seasons. Of the collaboration, Opening Ceremony co-founder Carol Lim exclusively told The Daily Beast, “All of our partnerships begin with a personal connection or conversation. The storytelling needs to be authentic for us to share it with our customers.” [Fashion Beast Inbox]

Lagerfeld’s Opinion on FLOTUS Banks: Barack Obama might enjoy wife Michelle’s new bangs, but that’s no matter to Karl Lagerfeld. He told French TV show Le Petit Journal, “Frankly, this doesn’t suit her. The fringe was a bad idea, it’s not good.” [Grazia UK]

Class President Louboutin: Christian Louboutin is headed back to school. The shoe designer has been named president of the Paris College of Art’s class of 2013. Louboutin has already met with the graduating students to provide them with an inspiration for their thesis projects and will attend the school’s end-of-year fashion show in May. [WWD]

Kimye Baby to Wear Leather Pants: It seems that Kim Kardashian won’t be taking sister Kourtney’s baby hand-me-downs when her Kimye offspring arrives. “I think she has a few key pieces. But if anyone knows Kanye, they just know how into fashion he is and I think he’s going to have things, like specially made,” she told Jimmy Kimmel. According to Kardashian, the custom-made baby wares may include “leather baby pants,” and chains. [HuffPo]

Nicholas Kirkwood Wins BFC Prize: Nicholas Kirkwood was bestowed with the 2013 BFC/Vogue Designer Fashion Fund yesterday, for which he’s won 18 months of industry mentorship and a cool $315,000. The eccentric shoe designer beat out fellow London design darlings like Mary Katrantzou and Peter Pilotto. [Vogue UK]

Looking for advice on how to pair your gray Club Monaco shawl-collar cardigan with your Gant Rugger oxford shirt? Bodhi, the debonair dog from Menswear Dog, would tell you to throw on a striped tie from Tie Bar with some cuffed dark denim—then finish it off with a pair of rusty-colored Wolverine 1000 Mile boots.

Sounds legit.