Katy Perry visited "The Tonight Show with Jay Leno" on Thursday (June 21).

She looked super chic wearing a navy mid-length dress with red leather tulip appliques and a font slit from the Roland Mouret Spring 2012 collection.

Her dress was complemented by red satin peep toe and ankle strap platform pumps by Giuseppe Zanotti and simple jewelry.

Side swept wavy curls, dark eye makeup, and a pretty coral-pink lip shade pulled her look together.

Buy It:

Giuseppe Zanotti I16090 (On Sale) at Zappos Couture

Same shoes in different colors:

Giuseppe Zanotti Peep Toe Platform Sandals at Barneys New York

Giuseppe Zanotti Python-Embossed Ankle-Strap Pumps at Neiman Marcus

Giuseppe Zanotti I26108 at Zappos Couture

Rhea Durham joined Mark Wahlberg at the premiere of premiere of "Ted" last night (June 21) in Hollywood, California.

She picked out an ivory and red combination dress with an off-shouldered crepe top and a plisse jersey pencil skirt from the Roland Mouret Spring 2012 collection.

Her two-tone dress, which also features a black tie belt at the waist and grosgrain shoulder straps, was styled with a black clutch and black lace and bow topped peep toe platform pumps by Christian Louboutin.

Rhea concluded her look with a simple hair style and pretty makeup.

Amy Adams, Amanda de Cadenet, and Sarah Gadon all wore the same dress.

Buy It:

Roland Mouret Herbert Off-the-Shoulder Wool Blend Dress at Net-A-Porter

Roland Mouret Herbert Two-Tone Dress at mytheresa

Roland Mouret Herbert Two-Tone Crepe Dress at Bergdorf Goodman

Roland Mouret Herbert Two-Tone Crepe Dress at Neiman Marcus

Sarah Gadon attended a photocall for "Cosmopolis" during the 2012 Cannes International Film Festival on Friday (May 25) in Cannes, France.

She picked out a cream and red combination dress with an off-shouldered top, grosgrain shoulder straps, folded detailing along the neckline, a black bow at the waist, and a plisse pencil skirt from the Roland Mouret Spring 2012 collection.

Sarah accompanied her stylish dress with minimal jewelry and black peep toe platform pumps with a thick heel.

Carefree wavy curls and pretty makeup completed her look.

Amy Adams and Amanda de Cadenet also wore the same dress, which was posted here and here.

Buy It:

Roland Mouret Herbert Off-the-Shoulder Wool Blend Dress at Net-A-Porter

Roland Mouret Herbert Two-Tone Dress at mytheresa

Roland Mouret Herbert Two-Tone Crepe Dress at Bergdorf Goodman

Roland Mouret Herbert Two-Tone Crepe Dress at Neiman Marcus

Amanda de Cadenet attended the launch celebration for "The Conversation with Amanda de Cadenet" show last night (April 17) in Beverly Hills, California.

She donned an ivory and red combination dress with an off-shouldered crepe top and a plisse jersey pencil skirt from the Roland Mouret Spring 2012 collection.

Her two-tone dress, which also features a black tie belt at the waist, was accompanied with a heart pendant necklace, a two-tone clutch, and black Christian Louboutin "Madame Butterfly" bow detailed platform booties.

She finished off her look with wavy curls and a pink lip shade.

Amy Adams wore the same dress to the premiere of "The Muppets," which was posted here.

Buy It:

Roland Mouret Herbert Off-the-Shoulder Wool Blend Dress at Net-A-Porter

Roland Mouret Herbert Two-Tone Crepe Dress at Neiman Marcus

Roland Mouret Herbert Two-Tone Crepe Dress at Bergdorf Goodman

Roland Mouret Herbert Two-Tone Dress at mytheresa

January Jones took to the red carpet for the premiere of "Mad Men" Season 5 on Wednesday night (March 14) in Hollywood, California.

The 34-year-old actress looked great wearing a flirty yet chic dress ensemble from the Roland Mouret Spring 2012 collection.

Her black off-shouldered top with origami folded detailing along the neckline and spaghetti straps was paired with a black and white fishtail skirt.

January's ensemble with cut out detailing was matched with simple black pumps, gold dangle earrings by Cartier, and a bright orange nail shade.

January rounded out her look with wavy curls, simple makeup, and a bright smile.

Buy It:

Roland Mouret Bud Stretch Cutout Cropped Top at Net-A-Porter

Roland Mouret Guster Flared Wool Blend Crepe Skirt at Net-A-Porter

Katy Perry launched the Katy Perry Lashes by Eylure on Wednesday (February 22) in Glendale, California.

The singer looked super pretty wearing a two-tone Roland Mouret "Anabelle" colorblock dress with a square neckline and a black bow at the waist from the brand's Spring 2012 collection.

Her crepe dress features cap sleeves, folded origami detailing, and a fishtail skirt.

Katy matched her vibrant dress with sparkly stud earrings, light turquoise bracelets, a turquoise ring by Solange Azagury-Partridge, and blue suede bow detailed and ankle strap platform sandals by Giuseppe Zanotti.

She finished her look a cartoon-inspired updo, dark eye makeup, and a bright bubblegum pink lip shade.

Buy It:

Roland Mouret Annabelle Ruffle Dress at farfetch.com

Same dress in different colors:

Roland Mouret Annabelle Paneled Crepe Dress at Net-A-Porter

Roland Mouret Annabelle Double Wool Crepe Dress at mytheresa

Roland Mouret Annabelle Crepe Dress at Neiman Marcus

Roland Mouret Annabelle Crepe Dress at Bergdorf Goodman

Roland Mouret Annabelle Crepe Dress at Neiman Marcus

Roland Mouret Annabelle Crepe Dress at Bergdorf Goodman

Giuseppe Zanotti E20343 at Zappos Couture

Giuseppe Zanotti Bow Front Sandals at farfetch.com

Same shoes in different colors:

Giuseppe Zanotti Suede Bow Sandals at LUISAVIAROMA

Giuseppe Zanotti Bow Embellished Suede Platform Sandals at Net-A-Porter

Giuseppe Zanotti Bow Strap Sandals at Barneys New York

Giuseppe Zanotti Bow Strap Sandals at Nordstrom

Giuseppe Zanotti Denny Sandals at Bloomingdale's

Giuseppe Zanotti Bow Detail Platform Sandals at Neiman Marcus

Giuseppe Zanotti Bow Detail Platform Sandals at Bergdorf Goodman

Giuseppe Zanotti Bow Suede Platform Sandals at shopbop.com

Giuseppe Zanotti Bow Strap Sandals at Barneys New York

Giuseppe Zanotti Bow Strap Sandals at Barneys New York

Giuseppe Zanotti E20343 at Zappos Couture

Giuseppe Zanotti Bow Detail Platform Pumps at farfetch.com

Giuseppe Zanotti Bow Sandals at The Shoe Box

Giuseppe Zanotti Ankle Strap Platform Bow Pumps at Neiman Marcus

Giuseppe Zanotti Python Print Bow Sandals at LUISAVIAROMA

Carey Mulligan walked the red carpet for the 2012 London Film Critics' Circle Awards on January 19, 2012 in London, England.

She wore a chic red mid-length crepe dress with white leather flower appliqué and structured cap sleeves with shoulder pads from the Roland Mouret Spring 2012 collection.

Carey paired her feminine dress with electric blue Yves Saint Laurent "Palais" platform pumps and diamond stud earrings.

Buy It:

Roland Mouret Leather Appliqué Crepe Dress at Net-A-Porter

Roland Mouret Mawmset Crepe Dress with Leather Flowers at mytheresa

Same shoes in black:

Yves Saint Laurent Palais Platform Pumps at Nordstrom

Amy Adams came out to support the premiere of "The Muppets" on November 12, 2011 in Hollywood, California.

The star looked chic wearing an ivory and red combination dress with an off-shouldered crepe top and a plisse jersey pencil skirt from the Roland Mouret Spring 2012 collection.

The top of her dress also features folded and structural detailing for a modern look.

Amy teamed two-tone dress with a black tie belt with simple nude pointed toe pumps by Jimmy Choo and statement earrings.

She also kept her hair down in luscious curls with a coral-peach lip shade.

Buy It:

Roland Mouret Herbert Off-the-Shoulder Wool Blend Dress at Net-A-Porter

Roland Mouret Herbert Two-Tone Crepe Dress at Neiman Marcus

Roland Mouret Herbert Two-Tone Crepe Dress at Bergdorf Goodman

Roland Mouret Herbert Two-Tone Dress at mytheresa

Jimmy Choo Anouk Pointed Toe Stilettos at Bluefly

Jimmy Choo Patent Point-Toe Pumps at Saks Fifth Avenue

Jimmy Choo Abel Point Toe Patent Pumps at Neiman Marcus