Red HOT Celebrity Style on the Red Carpet!

Who are you wearing? That phrase, as simple as it may seem, is the backbone to red carpet fashion! Click through to see some of the hottest celebrity style moments of all time.

With her feather-flowered neckline acting as a necklace, the New Girl co-star only needed statement rings by Dionea Orcini and Neil Lane to sparkle in this ice-blue, tulle Marchesa gown.

“It was between this dress and one other,” said Jen regarding her Max Mara gown. A Salvatore Ferragamo clutch and David Webb baubles were smart add-ons for this low- maintenance gal.

"I like to live dangerously,” says Amy about the plunging neckline of her Valentino gown. Though her $8 million in Lorraine Schwartz jewels really does warrant a bodyguard.

It’s not easy to pull off three trends at once, but Sandra does it in this triple-blocked Prabal Gurung with a side pony and Lorraine Schwartz black diamond jewelry.

The contrasting colors of this Barbara Casasola dress enhance Michelle’s figure, while the pencil skirt elongates her legs, and the side panels create curves.

A classic beauty in Escada, Sophia is the perfect combination of sophisticated and sexy. A thin belt cinches her waist, while her berry pout adds a pop of color.

"Fun and different,” is how Bella describes her youthful fashion sense. She proves it in this floor- skimming, floral Blumarine gown and braided updo.

In addition to showcasing Jennifer’s toned legs, this partly sheer Christian Dior gown lets her fierce Anthony Vaccarello strappy shoes peek through.

I didn’t try to be a style icon,” says Rooney. It must come naturally for this fearless fashionista! In Balmain, her edgy look appears effortless.

It’s all about the right hairdo with this Temperley London dress, and Anna nails it by tying up her tresses, allowing the neckline’s exquisite beadwork to shine.

Sarah’s fans chanted her name as she walked the Hunger Games: Catching Fire red carpet in this Sass & Bide mini. She looks so cute, we don’t blame them!

"Fashion is escapism,” says the Florence and the Machine singer, who stays true to her eccentric style, while still looking elegant, in this unique Valentino gown.

Charlize elongates her statuesque frame even further in this all-black, fitted Alexander McQueen gown with stunning embellished shoulders.

At 68 years young, Helen is one foxy lady. With oversized earrings and a low-slung crucifix belt, she proves she’s still got it going on in a slinky Dolce & Gabbana.

Nothing flatters a woman’s frame like a long-sleeve sheath dress. While demure in silhouette, the lace fabric and body-hugging fit has Camila looking red hot in Dolce & Gabbana.

Kelly’s lavender hair plays up the contrasting hue of her Paule Ka dress. Chanel birdcage earrings give her look that extra touch of kitsch that Kelly does so well.

The Swarovski embellishment on Lea’s Dolce & Gabbana highlights her tiny waist. She lets the dress be the focus with

a classic braid, barely-there makeup and simple pumps.

It’s hard not to stare at Marisa’s bod in this Amen micro mini, but the supermodel draws attention to her face with tri-color diamond Le Vian earrings that sparkle against her blonde locks.

Quoted saying she envies Ava Gardner’s curves, Kate did a good job of emphasizing her own in Zuhair Murad. The fit-and- fare silhouette of this mermaid gown hugs her body and accentuates her hourglass frame.

"Clothes are fun,” says Rita. “Designers have so much fun making them, you should have fun wearing them, too.” The singer clearly takes her own advice, making fearless fashion choices like this green Lanvin mini.

We’re not surprised Chrissy was the inspiration behind husband John Legend’s love ballad “All of Me.” Looking this good in Johanna Johnson, she makes us want to sing, too!

Talk about a shining star! Taylor glows from head to toe in Lorraine Schwartz jewels and a Gucci Première gown. Metallic eye shadow brings out her baby blues and completes her radiant look.

Nicole makes her own style rules in Alberta Ferretti. While most fashionistas pair their crop tops with a fitted, tapered bottom, she stands out from the pack by opting for a full, billowy skirt.

One of Miranda’s secrets to looking perfect? “I try to avoid fabrics that crease,” says the supermodel. With her stomach- baring Louise Goldin shirt and Jenni Kayne skirt, she’s wrinkle-free and flawless.

A little goes a long way when sporting a crop top! With only a red-orange lip and pointy-toe pumps, Jessica looks chic in Tory Burch. She balances out the small sliver of exposed tummy by showing more leg.

It may be the dead of winter, but Rachel’s ready for summer in a botanical-printed two-piece by Milly. The suit’s vibrant colors, Rachel’s rosy cheeks and sun-kissed glow complete her tropical look.

Shown on the runway with a turtleneck, Anna makes this Tanya Taylor look her own by revealing some skin. With a loose ponytail and no jewelry, the funny girl looks sexy, carefree and cool.

“I love fashion, so I love dressing up and playing with different looks,” says Vanessa. With red nails and a ring on almost every finger, the Gimme Shelter star puts a rock- star spin on her Topshop look.

It’s all about the details for Roselyn in Gucci. A contrasting black belt perfectly cinches the Devious Maids star’s waist, while the embroidered halter neckline shows of her toned shoulders.

Gwyneth follows her number-one style tip in Prada: “Dress for what’s flattering and not necessarily for trends.” She accomplishes both in this curve- hugging, burgundy sequin gown and beach waves.

“Personal, practical and architectural,” are the words Cate uses to describe her style. We have one more for you, Cate: fearless! Not everyone can pull of this caped Valentino but she does it beautifully.

She often portrays a tomboy on the big screen, but Sandra is full-on fem in this ruffled Lanvin dress. Her Roger Vivier clutch and embellished belt add the right contrast to her monochromatic look