Does it get any more stylish than Paris Haute Couture Fashion Week? The chic set answered with a resounding "no" when they took to the front rows of Atelier  Versace  and Dior Haute Couture. Models, editors, and actors mingled as Jennifer Lawrence, Olivia Palermo, Franca Sozzani, Emma Roberts, and Naomi Campbell  feted the latest high-fashion runway offerings.
Back in the US, the focus went to the dogs as Amanda Hearst and Georgina Bloomberg hit the beach for a good cause in support of The Humane Society. A look at all the stylish parties attended, here in the gallery.
The man of the hour, Karl Lagerfeld, shared the spotlight with Saskia de Brauw at Fendi 's Paris bash.
At Fendi 's Avenue Montaigne  store opening, Miroslava Duma paired neutrals effortlessly.
Naomie Harris was white hot at the Fendi  Avenue Montaigne  store opening.
Kelsey Chow stepped out for the Fendi  Avenue Montaigne  store opening and the Glory of Water exhibition event.
Natalia Vodianova and Antoine Arnault dined with Karl Lagerfeld at the Petit Palais.
At Fendi 's private dinner, Gaia Repossi styled her edgy jewelry designs with a white sheath.
Wearing a red and white combo, Carine Roitfeld feted the opening of the Loewe  boutique in Paris.
Pace Wu was clad in leather for Loewe 's Paris cocktail party.
Dakota Johnson  and Stella Banderas doubled up on the blond power at the Paris Loewe  boutique opening.
Elisabeth von Thurn und Taxis and Eugenie Niarchos toasted the Paris Loewe  boutique at the label's cocktail party.
Sophie Ellis-Bextor raised a glass to the Fashion Rules exhibition at the London launch.
Minnie Driver  looked flawless in her colorblock Missoni  design at Kensington Palace's Fashion Rules exhibition launch.
Manolo Blahnik  previewed the Fashion Rules exhibition in London.
In London, Edie Campbell and Tallulah Harlech enjoyed the festivities at the Kensington Palace Fashion Rules exhibition launch.
Henry Holland and Pixie Geldof joined forces in prints at the launch event for Fashion Rules at London's Kensington Palace.
Hayley Atwell took in the palatial view at the launch of Fashion Rules in London.
Roksanda Ilincic  looked chic in black and white at the London launch of the Fashion Rules exhibition.
Clotilde Courau matched the black color palette at Viktor & Rolf 's Haute Couture show.
Rosita and Margherita  Missoni  joined Eugenie Niarchos to fete her first jewelry collection in Paris.
For the launch of Eugenie Niarchos's first jewelry collection, Shala Monroque donned an ombre design.
Bianca Brandolini played peek-a-boo in white at the Paris launch of Eugenie Niarchos's jewelry line.
Elizabeth von Guttman and Charlotte Casiraghi joined a fellow partygoer in a crisp white palette at the launch of Eugenie Niarchos's jewelry collection.
Zhang Ziyi looked polished in a red dress she wore to the Valentino Couture show in Paris.
Olivia Palermo paired a plain white shirt with a black cocktail dress for the Valentino Couture show.
Valentino Garavani  got the royal treatment from Princess Madeleine of Sweden at the Valentino Haue Couture show.
Elena Perminova and Eugenie Niarchosi made a stylish duo for a shot before the Valentino Haute Couture show.
Elizabeth von Thurn und Taxis, Derek Blasberg, and Harry Brant arrived for the Paris Valentino Haute Couture show at Hotel Salomon de Rothschild.
Lv Yan and Carla Bruni decked their black ensembles in Bulgari  jewels for the label's Parisian party .
At the launch of Bulgari 's Diva collection, Pace Wu looked like something out of a storybook.
Alexa Chung spun tunes in a leather skirt as stylish partygoers listened in.
Liu Wen added a pop of red to help unveil Bulgari 's latest collection of fine jewelry.
Virginie Ledoyen and Louise Bourgoin were garden party ready while taking outdoors at Bulgari 's Diva event.
Peekaboo, we see you, Alber Elbaz — though Gemma Arterton's bow does make for crafty camouflage.
In Paris, Carine Roitfeld arrived for the Lancome Show by Alber Elbaz party in a relaxed black gown.
Alyson Le Borges brought extra sparkle to the Lancome Show by Alber Elbaz event.
Neutral was anything but bland when Daria Werbowy stepped out in her monochromatic pairing.
At the Lancome Show by Alber Elbaz bash, Zhang Ziyi made a statement with shimmering accessories.
Miroslava Duma defined "white hot" while working her lacy design at the Lancome Show by Alber Elbaz party.
The Lancome Show by Alber Elbaz's bash brought out models Martha Hunt and Chrystelle Saint-Louis Augustin.
Anna Dello Russo couldn't be missed in the front row of Armani  Privé in a bright, fringed ensemble.
Miroslava Duma got aboard the midriff-baring bandwagon in a three-piece printed ensemble that she wore to Armani  Privé.
Elena Perminova and Petra Nemcova had a hot ticket to the Elie Saab  Couture show.
Kristen Stewart  and Karl Lagerfeld shared a shot on the runway of the Chanel Haute Couture show.
Miroslava Duma gave denim shorts a high-fashion take at the Paris Chanel Haute Couture runway show.
Vanessa Paradis looked fittingly chic at Chanel Haute Couture.
The mother and daughter team took in the Saint Laurent  menswear collection in Paris.
Azzedine Alaïa took a seat with Milla Jovovich at Saint Laurent .
Outside the Saint Laurent  menswear show, Jamie Bochert and Michael Pitt smoldered for the lens.
Elena Perminova matched her icy locks to a cool white ensemble at Giambattista Valli  Haute Couture.
Olivia Palermo made a chic entrance for the Dior Haute Couture show.
A ruffle-clad Anna Dello Russo proved making a statement's second nature for her at Dior Haute Couture.
In Paris, Jennifer Lawrence bared her midriff as an attendee of the Dior Haute Couture show.
After taking to the runway, Naomi Campbell  joined the woman of the hour backstage at the Atelier  Versace  show.
Black and white made for a dramatic pairing when Emma Roberts and Delphine Chanéac shared a shot at Atelier  Versace .
Miroslava Duma contrasted a fellow Ulyana Sergeenko attendee's neutral ensemble with an off-the-shoulder LBD.
Afef Jnifen and Franca Sozzani made an entrance for the Atelier  Versace  runway show in Paris.
Lisa Perry  and Reed Krakoff  looked Hamptons chic while feting Elle Decor's Summer issue in Southampton.
Calvin Klein  looked dapper as ever at a New York screening of Blackfish with CNN.
Kimberly Ovitz , Amanda Hearst, and Georgina Bloomberg supported The Humane Society at a Montauk bash.
Life was a beach for Rose Byrne at the #DKNYARTWORKS and Free Arts NYC Charity Auction in Montauk.