Among the style standouts included Lupita Nyong'o, who slayed in a sparkling velvet two-piece. Sarah Jessica Parker served up a dose of daytime elegance while out in New York and Lea Michele brightened things up with a feminine all-white look.
The brunette beauty arrived in a burgundy custom-made Stella McCartney velvet gown with lace-covered cut-outs at the waist and Louboutin heels. She added a touch of sparkle with drop-down Swarovski earrings along with an elegant updo.
Penelope Cruz on Her 'Good Relationship' With Donatella Versace (Exclusive)
ET caught up with the FX series leading lady at the Golden Globes, where she opened up about playing the legendary Donatella Versace.
"I called her and we spoke, like, for an hour. I needed that conversation to say yes," Cruz disclosed. "It was a conversation where, I cannot share everything we talked about, but we have a good relationship. She just sent me flowers before I came here."
The singer-actor, who recently tied the knot with Jwan Yosef, also dressed to impress at the same event. Martin looked debonair in a Giorgio Armani midnight blue micro-dot pattern evening jacket trimmed in grosgrain and formal evening trousers all worth $2,895, and a $895 white tuxedo shirt and black dress shoes. Though it was his matching navy printed scarf that perfected the "Livin' La Vida Loca" singer's overall ensemble.
"My kids turned nine and it's incredible how they've grown," he shared. "And they do love music and they also love martial arts. Something very special is happening. They've got their trophies. They went to their tournament already. It's really exciting. It is very beautiful to see."
The Venezuelan stud also looked quite handsome at the Versace premiere, donning a plum-colored Valentino suit, which he paired with a white dress shirt, a brown tie and $195 Vince Camuto "Tarby" dress oxfords.
'Versace: American Crime Story' Stars Respond to Backlash From Famous Family (Exclusive)
The actor also sported a sleek Vacheron Constantin watch with a tan leather strap.
"We all feel the utmost respect for the Versace family," Ramirez, who portrays the slain fashion designer, told ET at the premiere. "We all tried to be as respectful and compassionate as possible walking into the show."
The 31-year-old actress was a vision in white at the American Crime Story premiere.
Michele looked angelic in a white chiffon long-sleeve top with gold detailing, lace trimming and choker, which she paired with matching white trousers and $895 Giuseppe Zanotti nude suede "Dionne" sandals.
She outfitted the ensemble with Le Vian and Hearts On Fire jewelry and a Lee Savage Cross Stack matte rose gold clutch worth $1,395.
Sarah Jessica Parker
SJP can do no wrong! The Divorce star stepped out looking like a total dream in New York City on Jan. 10.
Parker fiercely rocked a $1,921 black sequined Ashish mini-dress featuring a white collar with lace trimming, a $520 Manu Atelier bag in navy suede and kept warm with a black Alexander Wang coat. She flaunted her toned legs in fishnet stockings and $365 silver glitter heels from her SJP Collection. Her golden hair was perfectly tousled and her makeup consisted of metallic eye shadow with bronzed cheeks and a nude lip. Pure perfection!
Nyong'o put her abs on display in a sparkly velvet Balmain two-piece that featured a long-sleeve crop top with silver button detailing on one shoulder and a floor-length pencil skirt. She paired the ensemble with $895 Jimmy Choo heels, that sadly are no longer available.
The former Girls star was elegantly clad in a $1,795 navy "Celesta" liquid cady wide-leg jumpsuit with boning detail at the waist designed by Cushnie Et Ochs. She accessorized the sleek look with Giuseppe Zanotti heels and a stunning David Webb cascade necklace from the Cross River Collection.
The dramatic piece features rectangular and oval-cut sapphires (ceylon, no heat), pear-shaped Colombian emeralds, brilliant-cut diamonds and platinum.
Markle was stylishly clad in a light camel-colored Brando Smythe coat which featured a bold shoulder and hourglass silhouette, retailing for $995. She outfitted the coat with a matching Jigsaw scarf, a now-sold out $60 black Autograph wool sweater from Marks & Spencer and timeless black wide-leg Burberry trousers. Markle also wore $395 Sarah Flint black pumps with a tortoise heel.
The 31-year-old fashionista did winter right at a screening of The Leisure Seeker at AMC Loews Lincoln Square in New York City on Jan. 11.
Palermo looked classically chic in a black sweater with a white button-up underneath, leather pants and black booties. She completed the easy-to-copy look with a black with red, yellow and navy fur coat and a mini black leather purse.