Lady Gaga and her entourage. (Kirk McKoy / Los Angeles Times)
R&B singer-songwriter Nicki Minaj (Kirk McKoy / Los Angeles Times)
Singer Jennifer Hudson (Kirk McKoy / Los Angeles Times)
Singer-songwriter Janelle Monae (Kirk McKoy / Los Angeles Times)
Singer Bruno Mars, center, with producers Philip Lawrence, left, and Ari Levine (Kirk McKoy / Los Angeles Times)
Singer Katy Perry with husband Russell Brand (Kirk McKoy / Los Angeles Times)
Model and TV personality Heidi Klum with her singer husband, Seal (Kirk McKoy / Los Angeles Times)
TV personality Kathy Griffin (Kirk McKoy / Los Angeles Times)
Natasha Bedingfield arrives in a floaty blue gown. (Kirk McKoy / Los Angeles Times)
Rapper and actor LL Cool J (Kirk McKoy / Los Angeles Times)
Singer Lenny Kravitz (Kirk McKoy / Los Angeles Times)
Singer Justin Bieber (Kirk McKoy / Los Angeles Times)
“Glee” star Kevin McHale (Kirk McKoy / Los Angeles Times)
“Glee” star Matthew Morrison (Kirk McKoy / Los Angeles Times)
“Glee” cast member Darren Criss (Kirk McKoy / Los Angeles Times)
Actress Paz Vega (Kirk McKoy / Los Angeles Times)
Singer Ariana Grande and her actor brother Frankie Grande (Kirk McKoy / Los Angeles Times)
Model and TV personality Heidi Klum (Kirk McKoy / Los Angeles Times)
R&B singer Keri Hilson (Kirk McKoy / Los Angeles Times)
Singer and actress Mya (Kirk McKoy / Los Angeles Times)
Actress-singer Selena Gomez (Kirk McKoy / Los Angeles Times)
Singer-dancer Julianne Hough (Kirk McKoy / Los Angeles Times)
“NCIS: Naval Criminal Investigative Service” actress Pauley Perrette (Kirk McKoy / Los Angeles Times)
“Glee” cast member Dianna Agron (Kirk McKoy / Los Angeles Times)
Mötley Crüe rocker Nikki Sixx (Kirk McKoy / Los Angeles Times)
Rapper-producer B.o.B, right. (Kirk McKoy / Los Angeles Times)
Reality TV personality Kim Kardashian (Kirk McKoy / Los Angeles Times)
Singer Sara Bareilles (Kirk McKoy / Los Angeles Times)
Jazz singer-bassist Esperanza Spalding (Kirk McKoy / Los Angeles Times)
Singer Cyndi Lauper (Kirk McKoy / Los Angeles Times)
Singer and “American Idol” judge Jennfer Lopez (Kirk McKoy / Los Angeles Times)
Singer-songwriter John Mayer (Kirk McKoy / Los Angeles Times)
Singer-actor Russell Brand (Kirk McKoy / Los Angeles Times)
“Glee” actress Lea Michele (Kirk McKoy / Los Angeles Times)
“American Idol” Season 6 winner Jordin Sparks (Kirk McKoy / Los Angeles Times)
TV personality Kelly Osbourne. (Kirk McKoy / Los Angeles Times)
Singer Sarah Hart. (Kirk McKoy / Los Angeles Times)
Musician Karina Nuvo. (Kirk McKoy / Los Angeles Times)
Yocon Talie (Kirk McKoy / Los Angeles Times)
Jazz singer Dee Dee Bridgewater. (Kirk McKoy / Los Angeles Times)
Actress Alicia Arden. (Kirk McKoy / Los Angeles Times)
Jessie Jo Dillon, daughter of legendary songwriter Dean Dillon. (Kirk McKoy / Los Angeles Times)
Country music songwriter Allen Shamblin. (Kirk McKoy / Los Angeles Times)
Latin jazz and salsa musician Poncho Sanchez. (Kirk McKoy / Los Angeles Times)
Percussionist Will Clipman (Kirk McKoy / Los Angeles Times)
R&B singer Kem (Kirk McKoy / Los Angeles Times)
Actress Selma Blair (Kirk McKoy / Los Angeles Times)
Country singer Jett Williams, daughter of Hank Williams. (Kirk McKoy / Los Angeles Times)
“American Idol” David Cook (Kirk McKoy / Los Angeles Times)
Country singer Ricky Skaggs (Kirk McKoy / Los Angeles Times)
Singer-songwriter Ryan Bingham (Kirk McKoy / Los Angeles Times)
“Jersey Shore” reality star Nicole “Snooki” Polizzi (Kirk McKoy / Los Angeles Times)
Comedian Margaret Cho (Kirk McKoy / Los Angeles Times)
Singer-songwriter Nadia Ali (Kirk McKoy / Los Angeles Times)
Blues rocker Kenny Wayne Shepherd (Kirk McKoy / Los Angeles Times)
Hip hop singer Ana Tijoux (Kirk McKoy / Los Angeles Times)
“Jersey Shore” reality star Mike “The Situation” Sorrentino (Kirk McKoy / Los Angeles Times)
Singer Barry Manilow (Kirk McKoy / Los Angeles Times)
Pop singer Aleesia (Kirk McKoy / Los Angeles Times)
TV personality Giuliana Rancic (Kirk McKoy / Los Angeles Times)
TV correspondent Maria Sansone (Kirk McKoy / Los Angeles Times)
Gospel singer Mavis Staples (Kirk McKoy / Los Angeles Times)
Sportswear designer Kathryn Le (Kirk McKoy / Los Angeles Times)
Jazz and R&B singer Lalah Hathaway (Kirk McKoy / Los Angeles Times)
Japanese musician Kitaro and Chinese singer Jane Zhang (Kirk McKoy / Los Angeles Times)
Former “American Idol” singer Justin Guarini (Kirk McKoy / Los Angeles Times)
Go-go singer-guitarist Chuck Brown (Kirk McKoy / Los Angeles Times)
Singer Cindy Valentine (Kirk McKoy / Los Angeles Times)
R&B singer Raheem DeVaughn (Kirk McKoy / Los Angeles Times)
Gospel singer Israel Houghton (Kirk McKoy / Los Angeles Times)
Hip hop producer Alex Da Kid (Kirk McKoy / Los Angeles Times)
Pop singer Christopher Leyva (Kirk McKoy / Los Angeles Times)
Vampire Weekend, from left, Chris Baio, Rostam Batmanglij, Ezra Koenig and Chris Tomson (Kirk McKoy / Los Angeles Times)
Recording engineer and vocal producer Emily Wright (Kirk McKoy / Los Angeles Times)
Musician Dweezil Zappa (Kirk McKoy / Los Angeles Times)
Singer Jonathan Cain and daughter Madison (Kirk McKoy / Los Angeles Times)
Country singers Miranda Lambert and Blake Shelton (Kirk McKoy / Los Angeles Times)
Jazz-soul singer N’Dambi (Kirk McKoy / Los Angeles Times)
Soul singer Musiq Soulchild (Kirk McKoy / Los Angeles Times)
Singer Genevieve Jackson, daughter of singer Randy Jackson (Kirk McKoy / Los Angeles Times)
Singer-songwriter Lucy Walsh, daughter of guitarist Joe Walsh (Kirk McKoy / Los Angeles Times)
Sophie Simmons, daughter of KISS frontman Gene Simmons, and Calico Cooper, daughter of singer Alice Cooper (Kirk McKoy / Los Angeles Times)
Blues singers Pinetop Perkins, left, and Willie “Big Eyes” Smith (Kirk McKoy / Los Angeles Times)
Producer RedOne and Laila (Kirk McKoy / Los Angeles Times)
Country music group Little Big Town (Kirk McKoy / Los Angeles Times)
Singer Ciara (Kirk McKoy / Los Angeles Times)
Singer Monica (Kirk McKoy / Los Angeles Times)
Singer Kristine Elezaj (Kirk McKoy / Los Angeles Times)
Country singer Martina McBride (Kirk McKoy / Los Angeles Times)
Singer Faith Evans (Kirk McKoy / Los Angeles Times)
“Glee” cast member Jenna Ushkowitz (Kirk McKoy / Los Angeles Times)
“American Idol” contestant Crystal Bowersox (Kirk McKoy / Los Angeles Times)
Singer Florence Welch of Florence and the Machine (Kirk McKoy / Los Angeles Times)
Singer Anna Nalick (Kirk McKoy / Los Angeles Times)
Producer-DJ Dave Guetta (Kirk McKoy / Los Angeles Times)
Folk rock band Mumford & Sons (Kirk McKoy / Los Angeles Times)
Russian pop star Nadeea (Kirk McKoy / Los Angeles Times)
Singer and actress Adrienne Lau. (Kirk McKoy / Los Angeles Times)
“American Idol” runner up Crystal Bowersox. (Kirk McKoy / Los Angeles Times)
Canadian recording artist Melanie Fiona. (Kirk McKoy / Los Angeles Times)
