Sexy stars dress to impress in below freezing temps
Those stilettos were made for walking! Jessica Simpson, 34, debuted her new blunt-cropped 'do and her trim body in an eye-catching metallic goddess gown. Thick bangles and a gunmetal clutch finished off her dramatic look. (Photo by Jason Merritt/Getty Images)
Keira Knightley, 29, braved the chilly NYC weather in a navy trench atop a white midi-length dress. Flirty fuchsia pumps added the perfect punch of color. (Photo by Raymond Hall/GC Images)
Gigi Hadid, 19, is taking the modeling world by storm. The daughter of former model and "Real Housewives" star Yolanda Foster stole the show in a Emilio Pucci masterpiece and 2014's favorite strappy sandal. A high ponytail finished off her flirty look. (Photo by Venturelli/WireImage)
Leave it to Rihanna to give a pink skirt suit some serious edge. A messy updo and dark lips gave gave the pink number some serious RiRi personality. (Photo by Imeh Akpanudosen/Getty Images)
"Revenge" star Ashley Madekwe, 32, kept warm in an oversized leopard print coat. (Photo by Todd Green/BuzzFoto/FilmMagic)
Nicole Scherzinger, 36, kept it simple yet incredibly sexy in a figure-hugging lace cocktail dress. Simple accessories and a red lip completed the singer's elegant look. (Photo by Keith Hewitt/GC Images)
Bombshell babe Christina Hendricks, 39, showed off all her curves in a "Mad Men"-inspired emerald dress. Satin pumps and a matching clutch finished off her polished look. (Photo by Kevin Mazur/WireImage for CNN)
He may not be the "Sexiest Man Alive" like his brother Chris, but he's still got a whole lot going for him. Liam Hemsworth, 24, smoldered in a three-piece suit at the "Hunger Games: Mockingjay" premiere. (Photo by Steve Granitz/WireImage)
Nick Jonas, 22, made a lot of guys "jealous" in a swoon-worthy leather coat and beanie combo. (Photo by Raymond Hall/GC Images)
Kylie Minogue, 46, stepped out in a red embroidered dress perfect for the holidays. Tasteful red accessories finished off her look without looking too matchy-matchy. (Photo by Keith Hewitt/GC Images)
Hot mama! Julianne Moore, 53, looked flawless in an age-appropriate-yet-flirty dress with some serious fringe. (Photo by Jon Kopaloff/FilmMagic)
Married life is treating the Jolie-Pitts well! Angelina Jolie, 39, stepped out with hubby Brad Pitt in a dramatic lace gown with a fishtail hem. (Photo by KHAP/GG/GC Images)
All eyes are on pregnant Kate -- and the Duchess of Cambridge didn't disappoint. The expecting mother, 32, paired a knee-length skirt with a fun mesh polka dot top. (AP Photo/Paul Hackett, Pool)
Gwyneth Paltrow isn't ready to put away her beloved crop tops. The GOOP founder, 42, bared her midriff in a white crop top and black ankle-length skirt. She added pink lips and a matching clutch for a touch of color. (Photo by Rachel Murray/Getty Images for imagine1Day)
Model Gigi Hadid, 19, kept it casual in medium-wash jeans, a crisp sweater and fun booties. The adorable teen topped it off with an awesome purple coat. (Photo by Ignat/Bauer-Griffin/GC Images)
All 50 states felt below freezing temperatures this week, but that didn't stop celebrities from bringing the heat.
Jessica Simpson debuted her new cropped 'do and trim bod in a metallic one-shoulder gown with a thigh-high slit at the "Hunger Games: Mockingjay" premiere.
Model Gigi Hadid stole the show in a masterful Emilio Pucci mini dress and high ponytail. The daughter of "Real Housewives of Beverly Hills" star Yolanda Foster was featured in the calendar in a provocative latex bodysuit.
Keira Knightley looked gorgeous on the streets of New York and kept warm in a long navy trench over a classic white dress. Dainty berry-colored pumps completed her humble look.
See other stars who bundled up in thick coats and sweaters -- and some that didn't at all in our sexy style gallery above.