Inside the Bulgari and Cleopatra 50th Anniversary Reception With Jessica Chastain

Jessica Chastain (in Givenchy) celebrated the 50th Anniversary of Elizabeth Taylor and Richard Burton’s Cleopatra at a cocktail party, which followed a screening of the film at the Cannes Film Festival. Hosted by Bulgari, the event showcased Taylor’s famous collection of Bulgari jewels like her emerald and diamond brooch, snake charmer wrap bracelet, and a beautiful hand mirror (shown).

Rosario Dawson stopped by famed Swiss jewelry company Avakian's suite during the Cannes Film Festival.

Uma Thurman and Zachary Quinto set sail to celebrate Robert Redford's latest film All Is Lost at his after-party, which was hosted on a boat.

Stacy Keibler attended a bash thrown by jewelry company de Grisogono at the Hôtel du Cap-Eden-Roc during the Cannes Film Festival.

Melanie Brown showed her support for Natalia Vodianova (in Ulyana Sergeenko) at the Naked Heart Foundation and Film Aid Gala in Cannes. The gala raised funds for Vodianova's organization, which aims to provide a safe play space for children around the world.

France Cannes Cointreau and Nikki Beach welcomed stars like Star Trek Into Darkness's Zachary Quinto and Milla Jovovich to check out a private performance by Dita Von Teese at Les Marches in France.

Jessica Biel (in Marchesa) supported husband Justin Timberlake at the premiere of his new film Inside Llewyn Davis at the Cannes Film Festival. The movie follows a singer-songwriter navigating the New York City music scene in the 1960s.

Olga Kurylenko and Naomie Harris (in Monique Lhuillier) attended Finch’s Quarterly Review Cannes Filmmakers Dinner at the Hôtel du Cap-Eden-Roc.

Dita Von Teese and Eva Longoria (in Emilio Pucci) helped raise funds and awareness for women and children in need at the 2nd Annual Global Gift Gala at the Intercontinental Carlton Hotel in Cannes.

Christoph Waltz and Karolina Kurkova (in Balmain) were on hand at the For the Love of Cinema event hosted by luxury Swiss watch company IWC Schaffhausen at the Hotel du Cap-Eden-Roc in Antibes, France.

Princess Charlene of Monaco (in Dior) celebrated with her friend and Dior designer Raf Simons at a cocktail reception she threw in his honor to celebrate Dior's Resort Cruise Collection.

Liv Tyler (in Tanya Taylor) treated herself to a Magnum ice cream bar at the brand's Cannes Beach Lounge.

Rachel Bilson (in Dolce & Gabbana) came out to support her beau Hayden Christensen at an event he hosted with Michael Saylor to celebrate the launch of their new production company, Glacier Films, aboard the Yacht Harle in Cannes.

James Franco toasted actress Ahna O'Reilly (in Georges Hobeika) at a dinner party that he and The Art of Elysium threw in her honor, recognizing her notable film debut at Cannes. She stars in two films premiering at the festival: As I Lay Dying and Frutivale Station.

Rooney Mara (in Calvin Klein) joined Calvin Klein Creative Director Francisco Costa at a party he hosted along with the Independent Filmmaker Project to honor women who have made an impact on film during the 66th Annual Cannes Film Festival in France. Mara was also just named the face of Calvin Klein's new fragrance, Downtown.

After Colin Firth presented the Trophée Chopard to rising stars Blanca Suárez and Jeremy Irvine at the Cannes Film Festival, he made his way to the after-party at the Chopard Lounge, where he celebrated with Spanish actress Paz Vega.

Solange Knowles (in Etro) provided the musical entertainment at the Chopard Trophée after-party, held at the Hotel Martinez.

L'Oreal brand ambassadors Liya Kebede (in Alberta Ferretti), Ines de la Fressange, and Freida Pinto (in Sanchita) got glam for a cocktail reception hosted by the cosmetics company in Cannes.

Fan Bingbing and Julianne Moore (in Dior Haute Couture) enjoyed a cocktail reception hosted by L'Oreal, held at the Martinez Hotel.

Justin Timberlake celebrated his upcoming project Spinning Gold, a film chronicling the life of Neil Bogart. Bogart's son, Timothy Scott Bogart (pictured) wrote the script. Filming is set to begin early next year.