Rock icon Slash celebrated his birthday at Jet Nightclub at the Mirage in Las Vegas on July 25 with good friends, including: Aerosmith’s Steven Tyler, Brad Whitford, former Guns n’ Roses drummers, Matt Sorum and Steven Adler and ZZ Top guitarist Billy Gibson. Slash’s wife, Perla Hudson came and took the first big bite out of Slash’s flaming guitar-shaped cake, just after MTV’s America’s Best Dance Crew champions, Quest Crew, performed a breakdancing routine in honor of the birthday boy and for thousands of partygoers.

Slash began his birthday celebration by lounging at the Mirage Hotel’s topless Bare Pool Lounge, soaking in some R&R before his big party at Jet. Samantha Ronson made a guest appearance at the dinner at Stack before heading to DJ another gig.

Kellan Lutz grabbing a shot of Cafe Bustelo espresso at the Wired Lounge during Comic Con in San Diego.

90210‘s Annalynne McCord catching up with friends at the Armani Exchange cocktail party at the Thompson hotel in Beverly Hills.

Mary-Louise ParkerJustin Kirk, Hunter Parrish and Alanis Morisette — who recently joined the Weeds cast — celebrated the fifth season’s completion, at the official wrap party in L.A. sponsored by Svedka Vodka.  Justin ropped by the party with his girlfriend, Elizabeth Reaser, best-known for her roll in Twilight.  The entire cast and crew said cheers over Svedka Vodka specialty cocktails, to another successful year!

will.i.am drinking champagne and holding court with friends at the Griffin in NYC.

Audrina Patridge hosting 944’s Del Mar Races Opening Day party at L’Auberge Resort in San Diego.

Sharon Stone at Boa Steakhouse in Hollywood.

McLovin‘ in character while he charmed girls at the MySpace Party for Megan Fox‘s movie Jennifer’s Body at the Grand Hyatt in San Diego.

Mena Suvari stopped into Crumbs Bake Shop in L.A. to get ready for a party she was hosting Wednesday night and walked out with 12 cupcakes, Biscotti, Rugalah and an Almond Square.? She also went shopping at Soffer Ari’s.

Maria Menounos sipping Vita Coco on the set of her new film Serial Buddies in Connecticut.

Michelle Rodriguez shopping at Fred Segal Fun in Santa Monica.

Dancing with the StarsGilles Marini and wife Carole decided to spend some quality time together at the theatre by enjoying A Night of Chekov Farces starring Svetlana Metkina at the Lee Strasberg Theatre on July 27.

Lil Kim celebrating her birthday at Mansion in Miami.

Joe Jonas shopping at the eryn brinie store in SoHo, NYC.

Kristin Cavallari at MyHouse in L.A.

Tyrese celebrating the launch of his new comic book, Mayhem!, at Stingaree in San Diego during Comic Con.

Susan Sarandon‘s daughter Eva Amurri at a Hennessy Black sponsored Chris Benz Summer Cocktail event in NYC.

Zachary Quinto sipping a SKYY Infusions at SyFy’s Comic Con party in San Diego.

Topher Grace eating Johnny Rockets at a house party in Malibu sponsored by Rose’s Mojitos.

David Faustino choosing which friends to bring up to the rooftop for Circle of Confusion and IDW’s Annual Comic-Con party with Wired magazine on the roof of The Omni Hotel in San Diego.

The Blue Parrot Restaurant in East Hampton served up yet another A-list dining room. The eatery welcomed celebrity stylist and reality tv-star Rachel Zoe on Thursday night for dinner. Also spotted on Saturday was David Lauren with girlfriend Lauren Bush — the two looked cozy on the restaurant’s outdoor patio.

Zac Efron partying with friends at Opus Hotel’s Opus Bar in Vancouver. Zac and his friends arrived at the hot spot at 10pm and stayed until 12:30am. The party was casually dressed and enjoyed the bar’s Bitter Cherry Salome Sour, before moving onto Belvedere and sodas, and then finishing the night with rounds of SKYY Vodka shots.

Taryn Manning and band Boomkat release their new summer single “Stomp” at the Bacardi B live event.

Entourage‘s Emmanuelle Chriqui, Malin Akerman, Real Housewives of NYC‘s Kelly Bensimon, Shannen Doherty and Erin Lucas celebrated the first-ever Svedka Vodka Sessions, an emerging artist concert series presented by Giant Step, at Private Park at the Hudson Hotel. Hip-hop sensation, Wale performed in an intimate outdoor setting following a set by special guest DJ Mark Ronson. Partygoers were treated to specialty Svedka Vodka cocktails including the “Pink Ginger” as they enjoyed live music at sunset.

New Zealand hip-hop artist Savage performed his Billboard Hot 100 single, “Swing” live at Tenjune nightclub in NYC for partygoers including the lead on Broadway’s hit musical Jersey Boys, John Lloyd Young. Savage hung for a while at a VIP table where he and his entourage sipped Sagatiba Rum cocktails while Young jumped on stage and surprised the crowd with a one-song live performance.

Pauly Shore, accompanied by 26 strippers from the infamous Spearmint Rhino strip club in Las Vegas and the Boston Celtics’ Paul Pierce were among the partygoers at the Paris In 72 Hours event at Jet Nightclubin Las Vegas, where a born and bred Las Vegas female won the grand prize trip to Paris including an exclusive tour and tasting at Maison Dom Perignon in Champagne, France.

Miami Ink’Kat Von D shopping at the Napoleon Perdis Hollywood Flagship Store & Makeup Academy on July 22nd replenishing her cosmetics bag with some favorites and the new Napoleon Perdis Prismatic Eye Shadow Quad in #6.

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