The 2008 Cannes Party Circuit

Super couple Beyonce and Jay-Z chilled out at the VIP Room inside Palm Beach when Jay hosted a party for his Armand De Brignac champagne. Fellow rap mogul P. Diddy showed up to toast the duo before heading out to dance the night away at the Dolce & Gabbana bash.

-Bronwyn Barnes

Golden girl Kate Hudson kicked up her heels during Dolce & Gabanna's Dolce Vita party at Cannes hot spot Baoli. Joining Hudson-who wore a short and sexy Dolce & Gabanna dress made just for her by the designers and two Bulgari diamond bracelets-in the VIP area were Lance Armstrong, Lindsay Lohan and Milla Jovovich.

Natalie Portman (in a Balmain dress and Lanvin jacket) made a surprise appearance at the Dolce & Gabbana bash accompanied by singer Devendra Banhart. Notable guests like Lindsay Lohan and Sean Combs danced the night away to a soundtrack of pop and hip hop mixes provided by Samantha Ronson, while curious onlookers craned to get a look at their famous footwork.

What was actress Kerry Washington wearing at the Dolce amp Gabbana party? "Dolce, of course!" said the L'Oreal spokeswoman of her fabulous fringed frock. Naomi Campbell enjoyed a night of post-birthday partying with pals Domenico Dolce and Stefano Gabbana.

Lindsay Lohan touched down in Cannes just in time to make it to a party aboard Sean Combs' private yacht. Other stars who have arrived to join the social scene-which shows no signs of slowing down-include Jay-Z and Beyonce, who were recently spotted in Nice.

Salma Hayek hit the fashion jackpot in a smoky strapless YSL gown and Chopard diamond and emerald earrings at the Partouche charity poker event. The following evening, the lovely Latina chose to lighten up for the premiere of Indiana Jones and the Kingdom of the Crystal Skull.

Bono continued to partyhop his way around Cannes with a stop at the annual Vanity Fair party at the Hotel Eden Roc. The U2 frontman chatted up Spanish stunner Penelope Cruz, who went to the dark side in a sexy frock by Dolce & Gabbana.

Rachael Leigh Cook looked pretty in a pink Donna Baxter for Elsie Katz Couture dress at the Paradigm Agency party held aboard the Bud Light yacht. After sunset, the actress also hit the Relativity Media bash, accompanied by husband Daniel Gillies.

Maria Menounos (in Monique Lhuillier) took a break from her duties as a correspondent for Access Hollywood to board the Bud Light yacht for the Pink Elephant party.

Eva Longoria Parker looked mighty fine in a Zang Toi feathered dress when she hit a beach bash at the Cannes outpost of Nikki Beach Club. Longoria Parker stopped by the dj booth before kicking her heels up on the dance floor with friend and hair stylist Ken Paves.

Mischa Barton went asea for the Nosebleed cocktail party, held aboard the Bud Light Yacht. Barton, who has two films at the festival, recently relocated from Los Angeles to Paris. "I'm living in Paris right now so I thought I would come down for a few days," the British-born actress told People.

After glamming it up for the red carpet, Julianne Moore switched to a sleek yet chic look to join Blindness co-star Gael Garcia Bernal for the film's after-party.

Also at the opening night celebration, festival jury member Natalie Portman was radiant in a purple Lanvin dress and Tiffany & Co. diamond jewelry.

Eva Longoria Parker dazzled the dinner crowd in a gold sequined Ferragamo dress at the opening night party in honor of the film Blindness, held at the exclusive Carlton Hotel.

Bono was among the famous friends of Petra Nemcova who came out to support the model when she announced her new documentary project, Love Evolution, during a cocktail party at Nikki Beach. Sean Penn and wife Robin Wright Penn were also on hand to hear Nemcova talk about the power of love.

Dita von Teese got glam for a party-where Cointreau Teese specialty cocktails were mixed in her honor-to celebrate the documentary, Roman Polanski: Wanted and Desired at Nikki Beach. Hollywood hot shot Harvey Weinstein led the burlesque star across the room to introduce her to his wife, Marchesa designer Georgina Chapman.

Jada Pinkett Smith chose Cannes as the site for her directorial debut, premiering her film, The Human Contract. After a special screening of the film for industry insiders, Smith and Contract star Paz Vega, helped host a celebration of Spanish and South American cinema aboard the Bud Light Yacht.

Singing sensation Lily Allen (in Chanel) made the most of her vacation on the French Riviera, hitting a bash for the novel-turned-flick, How to Lose Friends and Alienate People, hosted by British GQ.

Actors Adrien Brody, Edward Norton, Woody Harrelson, Dennis Hopper and Tim Robbins made a fashionable fivesome at the Partouche cocktail party and charity poker tournament. The evening was also a perfect occasion to fete Hopper's birthday.

With a little help from her Swarovski bling, Kelly Rowland dazzled the crowd at Greenhouse during a benefit for the Prince Albert of Monaco Foundation. Petra Nemcova, Maria Menounos and Star Jones also stopped by the bash, sponsored by Grey Goose vodka, to show their support.

Goldie Hawn and Jade Jagger joined fashionable hostess Margherita Missoni (in Missoni) for the Quintessentially/Margherita Missoni soiree to benefit OrphanAid Africa. Other barefoot guests aboard the 197-ft private yacht Pegasus for the evening were Missoni pal Mischa Barton, singer Natalie Imbruglia and model Bar Rafaeli.

Music phenom Mark Ronson helped Jade Jagger unveil her $250,000 Jagger Dagger ice pick for the Cannes crowd during a party at the VIP Room at Palm Beach. P. Diddy, Dean Cain and Goldie Hawn were among the stars who hot the glitter-strewn nightclub to dance the night away to Ronson's favorite party tunes.

Petra Nemcova planted one on P. Diddy when the rap star stopped by a Moroccan-inspired bash on Denise Rich's yacht, Lady Joy. As guests toured the luxury liner, they also stopped to get a look at Diddy's boat, which is tricked out with an alfresco lighted dance floor.