Pop star Justin Bieber and R&B singer Chris Brown, dining at N9NE (Palms Casino) on Sunday. The celebs stopped by the kitchen to see Chef Barry and put their signatures on his “shakedown door.” The stars were in town for the Billboard Music Awards, held Sunday. (Courtesy photo)

Sky Blu of LMFAO debuted “Who Came To Party!?” -- his new DJ residency -- at Wet Republic (MGM) Sunday. The performer will be joined by The Smiley Gang, featuring artists Shwayze, Mark Rosas, Chelsea Korka, BVillain and special surprise guests throughout his residency. (Photos courtesy of Erik Kabik/erikkabik.com)

Blues legend Buddy Guy interacted directly with his audience on Saturday at The Smith Center. Guy performed his routine for the crowd, at one point walking to the back of the room while playing, exiting the doors and heading to the third level, where he played and spoke to attendees. Guy was joined by 12-year-old blues phenomenon Quinn Sullivan on stage. (Photos courtesy of Erik Kabik/ erikkabik.com)

Top, Middle: “Good Day LA" co-host Lauren Sanchez showed off her dance moves Saturday at the Pussycat Dolls Burlesque Saloon at Gallery (Planet Hollywood Resort). 

The media personality donned a black corset, bustier and fishnets, taking to the pole to shimmy to The Pussycat Dolls’ "Don't Cha," “When I Grow Up” and “Buttons.” Bottom: Pussycat Dolls creator Robin Antin and Caesars headliner Matt Goss took in the performance. (Photos courtesy of Jeff Ragazzo)

Carson Kressley (center) and Sabrina Bryan (left) from “Dancing with the Stars” stopped by Piranha Boutique on Sunday night. Above: Bryan, Kressley and Larry "Hot Chocolate" Edwards hang out at the club. (Courtesy photo)

Las Vegas Mayor Carolyn G. Goodman and former Mayor Oscar B. Goodman were among the participants in Saturday's Helldorado parade in Downtown Las Vegas. The event, part of Helldorado Days, is accompanied by a rodeo and carnival celebration. (Photos courtesy of Brian Jones/Las Vegas News Bureau)

Reggae artists Don Carlos & Friends performed as part of the ongoing Soundwaves Concert Series at Hard Rock Hotel on Saturday. Carlos became well known during the dance hall craze of the 1980s, earning five top 10 hits between 1982 and 1985. (Photos courtesy of Chase Stevens/ Erik Kabik Photography llc.)

Stars gathered on the red carpet as the 2012 Billboard Music Awards kicked off Sunday at MGM Grand. Top: Singer and actress Miley Cyrus walks the red carpet. Second: Pop star Katy Perry sports purple hair as she travels down the carpet. Third: Award show hosts and “Modern Family” stars Ty Burrell and Julie Bowen arrive. Bottom: Country starlet Taylor Swift makes her appearance on the carpet. (Photos courtesy of Glenn Pinkerton/Las Vegas News Bureau)

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“Twilight” star Nikki Reed celebrated her 24th birthday at Marquee Dayclub (Cosmopolitan) on Saturday. The actress was joined by husband Paul McDonald of “American Idol,” brother Nathan Reed, actress Alexa Vega and more friends. “Entourage” actress Emmanuelle Chriqui stopped by to congratulate Reed, whose birthday was Thursday. (Photos courtesy of Denise Truscello/WireImage)

Burlesque star Dita Von Teese was presented with the Sassy Lassy Award for Recognition of Outstanding Contribution to the Art of Burlesque by The Burlesque Hall of Fame on Saturday. Von Teese received the award after performing at House of Blues as part of her “Strip Strip Hooray” tour. (Photos courtesy of Scott Harrison/Retna)

Jazz and cabaret vocalist Jane Monheit sang Friday at Cabaret Jazz at The Smith Center. Monheit’s most recent album, “Home,” was released in 2010. The album was a tribute to the golden era of jazz. (Photos courtesy of Erik Kabik/erikkabik.com).

Actress and singer Kat Graham of “The Vampire Diaries” partied Friday at Chateau (Paris). Graham dined at Sugar Factory American Brasserie at Paris before heading to the club, where she greeted fans. Graham’s first single, “Put Your Graffiti On Me,” has nearly 3.5 million views on YouTube, and she was recently nominated for a Teen Choice Award for “Best Sci-Fi Actress.” (Photos courtesy of Denise Truscello/WireImage)

Pop star Chris Brown (top left) joined DJ Benny Benassi on stage to perform two songs Friday at Marquee (Cosmopolitan). R&B singer Brown was joined at the club by girlfriend Karrueche Tran. (Photos courtesy of Roman Mendez)

“Spider-Man” actress Kristen Dunst celebrated with friends at Hyde Bellagio on Friday. One of her latest films, “On the Road,” co-starring her boyfriend Garrett Hedlund, is up for the coveted Palme d’Or award at the Cannes Film Festival. Hedlund was not in her group. She was hanging out with DJ Dijital. (Photo courtesy Hyde Bellagio)

Singer Lisa Marie Presley, daughter of the late Elvis Presley, joined husband Michael Lockwood and twin daughters Harper and Finley to take in a performance of “Viva Elvis” (Aria) on Friday night. Presley is in town to present at the 2012 Billboard Music Awards at MGM Grand Garden Arena on Sunday. This was the family’s second trip to see the show, which pays tribute to the life and work of Elvis Presley. (Photo courtesy of Meskerem Mitiku-Cotton/ Cashman Photo)

Actor Erik Estrada attended a Knight Rider Festival press conference Friday at the famous “Welcome to Las Vegas” sign. The celebrity-filled event, scheduled for May 18-19 in downtown Las Vegas, benefits the Children’s Miracle Network. (Photo courtesy of Darrin Bush/Las Vegas News Bureau)

Burlesque artist Dita Von Teese performed Thursday at House of Blues as part of her "Burlesque: Strip Strip Hooray!" tour. Von Teese, born Heather Reneé Sweet, is known for her signature martini glass routine. (Photos courtesy of Scott Harrison/Retna)

British-Irish boy band The Wanted performed at 1 OAK (The Mirage) Tuesday. Top (from left): Band members Siva Kaneswaran, Jay McGuiness, Tom Parker, Max George and Nathan Sykes hanging out at 1 Oak. Bottom: The band also stopped by Stack (The Mirage). (Photos courtesy of Denise Truscello/WireImage)

Olympic figure skater Scott Hamilton, a gold medalist at the Sarajevo, Yugoslavia Winter Games, visited Terry Fator backstage before his show on Tuesday. From left: Fator, Hamilton and Fator's wife Taylor Makakoa. (Courtesy photo)

Chris Rene, a finalist for “The X Factor," performed at Pure (Caesars Palace) on Tuesday. Rene, a finalist from season one, delivered a set including "Fame & Fortune," "Same Blood" and “Young Homie” after greeting fans and partying with friends. (Photos courtesy of Erik Kabik/erikkabik.com)

Dawn Fallon and Ian Fallon, of Alberta, British Columbia, Canada, renewed their wedding vows Tuesday at Kiss Monster Mini Golf. The couple had their pet dogs in tow as they celebrated their third wedding anniversary. (Photos courtesy of Scott Harrison/Retna)