Christian Dior was the first designer to use the term 'cocktail dress' Since that point, there's been no turning back. The ultimate in evening wear, the cocktail dress is a must-have for any girl's wardrobe.
Top model Bar Refaeli looks stunning in a moss green dress, kept simple with nude Louboutin heels.
She's the perfect English lady and she sure does look it in this gorgeous nude coloured frock, tres chic.
The Twilight star is picture perfect in her monochrome number, smoky eyes and black accessories give her a polished look.
The teen songstress looks stunning in red and the dress is the perfect length for an event that calls for a more demure style.
The wife of Orlando Bloom looks every inch the gorgeous model in this black frill dress with a cut-out back. Keeping her hair simple makes the dress the main focus of the outfit. Beautiful.
Tess goes for a cocktail dress with a modern edge. Studs and sheer tick two trend boxes, add gold accessories and Tess is red carpet ready
The Hills star goes for a new take on the cocktail dress with a one-arm gold sparkly number. The strike of black through it goes perfectly with the strappy shoes
We absolutely adore the Sugababe's layered white dress, we would have gone for a different shoe though, Amelle looks a little too bridal!
Now here's a woman who knows how to rock a cocktail dress. Super short and super sexy, the German supermodel can work anything with a figure like hers, we adore her black textured dress and shoes
Unlike her brother this blonde beauty sure knows how to work the red carpet, keeping to the rule that if you are showing legs to keep your top half covered. The Hills girls must be proud
Is there any look that Gossip Girl's Blake can't pull off? She looks simply stunning in this black and yellow number with skyscraper heels
Eva sure knows how to compliment her skin tone in this beautiful green dress, we love her contrasting floral clutch too!
It's a double whammy with Kim and Kourtney both in pretty cocktail dresses, matching hair styles and shoes
The rules are unclear on how long or short a cocktail dress should be but we couldn't help but include the Glee star in her midnight blue full length gown
The X Factor guest judge rocks her LBD with sparkly jewellery and red polished nails
She's the cat that's got the cream... dress. And what a stunner she looks in it too! Teamed with gold accessories, Miss Deeley avoids the bridal look and goes for the LA bronzed goddess instead
The Sin City actress adds some badass to her cocktail attire, with structured shoulders and strappy heels
Good girl Glee actress looks sweet and innocent in this lemon yellow dress with black detailing. We love how she's added an edgy look with black polished nails
The Bleeding Love singer sure knows how to accentuate her curves and accessorise with her makeup, we love her bright pink lippy!
The Juno actress looks all grown-up and demure in a green crepe dress with smoky eyes and a chic up 'do
Vanessa's skin tone really suits the muted tones she is wearing here, The High School Musical actress has certainly graduated in the fashion stakes
The pint-sized pop star shows she can bring sexy back in a backless green number
Teri's got the X Factor in her nude, sheer and layered dress and we just love her peep-toe shoes
The voice of Gossip Girl stands out from the crowd in this unusual bright orange dress
The sexy French Inception actress is magnifique in her delicate lace dress and her legs look extra long thanks to those nude strappy sandals
Scarlett sure knows how to work the lady in red vibe, we love the sweetheart neckline on the cut-out dress