Stepping in as the season's new statement "necklace," collars--whether they are removable additions or simply boast interesting embellishments--have made a swift and stylish transition from summer favorite to fall necessity. Already seen on the likes of Bella Heathcote, Hilary Rhoda, and the Cacharel F/W 12 runway, these unconventional neck accents are a surefire way to elevate your tried-and-true tops, dresses, and sweaters, making even your most understated pieces noteworthy anew. Whether they're printed, bejeweled, metal, or sequined, collars like these will make a wow-worthy addition to any wardrobe. Just be sure to check out today's How They Wear story for a smattering of smart styling ideas on how to wear this must-have accessory.

On the Runway
At the Cacharel F/W 12 show, metal-trim collars, paired with sweet, floral-print dresses and a powdery blue jumpsuit (shown above), lend the collection's '20s-influenced looks a futuristic element.
Get the Look:
Adia Kibur Hematite Collar ($50); Z Designs Peter Pan Collar Necklace ($38); Zero + Maria Cornejo Belted Lee Jumpsuit ($1195); Rachel Zoe Gemma Jumpsuit ($425).

On The Red Carpet/At Events
Sami Gayle
Actress Sami Gayle's Miu Miu Jewel-Collared Chunk-Knit Wool Sweater ($1050, available here in blue) immediately caught our eye on the red carpet at a special screening of Total Recall in New York early last month. In addition to the chic contrast of the black collar against the knit's pastel pink hue, the stone detailing gives her simple separates a luxurious update.
Get the Look:Karl Amber Crystal and Bead-Embellished Cotton Collar ($185); ASOS Embellished Stone Floral Collar ($31); Marc by Marc Jacobs Mika Embellished Collard Cardigan ($298); French Connection Beaded Gina Collard Jumper ($128).

Virginie Courtin-Clarins
Taking cues from Cacharel's indisputably stylish collar and jumpsuit pairing, Virginie Courtin-Clarins was a standout at W Magazine's Generation W October issue celebration during NYFW earlier this month. The beauty heiress/tastemaker opted for a '70s-inspired one-piece, which she contrasted with stark black accents, including a sequined Peter Pan collar, Louis Vuitton bag, and strappy sandals, for a refined and sophisticated result.
Get the Look: Gemma Lister Black Sequin Collar Necklace ($85); Miss Selfridge Black Collar Necklace ($32); BCBMAXAZRIA Rigsby Contrast-Sleeve Jumpsuit ($248); ASOS Jumpsuit with Cross Back Detail ($28).

Kate Schelter
Earlier this year, luxury brand consultant Kate Schelter arrived on the red carpet of the New Yorkers for Children's 9th annual spring dinner wearing an Honor by Giovanna Randall dress and collar (see the brand's Gold Collar Necklace ($1400) for a similar style) from the S/S 12 collection with Manolo Blahnik ruffle heels. The collar's rounded shape complements the sweetness of her summery frock, and the fact that it is made from metal gives the whole outfit a current and cool twist.
Get the Look:
Topshop's Peter Pan Necklace ($35); Pieces Omakio Rounded Necklace ($31); ASOS Midi Tea Dress with Pleat Lace Insert ($52).

Hilary Rhoda
All cameras were pointed at Hilary Rhoda at the Salvatore Ferragamo Fashion's Night Out event earlier this month, and it's easy to see why. The model accessorized her black Monika Chiang top and Salvatore Ferragamo Red Silk Beaded Skirt ($8200, 800.628.8916) with Dannijo's must-have Liliya Necklace ($656). The Swarovski crystal-encrusted necklace doubles as a Peter Pan-shaped collar, adding just the right amount of sparkle and intrigue to Rhoda's after-hours look.
Get the Look:
Krystal Collar Bib Necklace ($65); Zara Gold Mesh Bib Necklace with Black Stones ($30); Alice + Olivia Sasha Sequined Skirt ($368); Victoria's Secret Lace Pencil Skirt ($60).

Bella Heathcote
For a poolside fete celebrating Vena Cava at the Chateau Marmont in Los Angeles last month, Australian actress Bella Heathcote wore a top and collar by said brand (sadly, neither piece was produced, but click here for similar styles) paired with a denim skirt and Rag & Bone's Harrow Boots ($495). Thanks to the top's square neckline, the collar remains the focal point of Heathcote's ensemble, bringing an unexpectedly cool element to her all-noir look.
Get the Look:
3.1 Phillip Lim Pointed Patent-Leather Collar ($150); Marni Pointed Collar Tie ($120); Tbags Los Angeles Lace Bodycon Dress ($194); Pins and Needles Popcorn Circle Dress ($69).--Jessica Baker

Photo of Virginie Courtin-Clarins, courtesy of Billy Farrell Agency; Photo of Bella Heathcote, courtesy of Wire Image; Photo of Hilary Rhoda, courtesy of Getty Images; Photos of Kate Schelter, courtesy of Splash News; Cacharel runway photo, courtesy of Cacharel.