Zac Efron & Vanessa Hudgens
The cute couple keep it cool with their shades and V's floppy hat as they catch the concerts.
Kate Hudson
Hanging out with her lady friends, the actress makes the rounds and checks out the bands.
Paris & Nicky Hilton
The sisters take a spin on the carousel at 944 magazine and Armani Exchange's Neon Carnival after watching Muse and Tiesto earlier.
Katy Perry
The singer hit the Music Lounge at IndiOasis to watch her BFF Mia Moretti deejay. She refueled with Popchips...washed down with some UV vodka shots. Cheers to Coachella!
Kristen Stewart
Fresh off rocking her role as Joan Jett in The Runaways, the Twilight star pauses to pose at the Lacoste pool party.
Kellan Lutz
The Twilight hunk checks out the music while we check out his Playboy shirt muscles.
Alexander Skårsgard & Kate Bosworth
The True Blood stud and his costar in the upcoming Straw Dogs remake stick close at the festival.
Jay-Z & Beyoncé
The couple rocked the festival with a rendition of "Forever Young." Check it out.
John Mayer
The music man makes some time to talk to the ladies.
Zooey Deschanel & Matt Ward
Unlike a lot of celebs in attendance, Deschanel was actually on hand to perform as part of her duo She & Him.
Kelly Osbourne & Luke Worrall
Looking happy and healthy after her DWTS injury, the daughter of another music festival's namesake—Ozzfest's Ozzy Osbourne—strolls with her man.
Doug Reinhardt & Kristin Cavallari
Newly single from Paris Hilton, the former Lauren Conrad beau chats up the current Hills star.
Hayden Panettiere
The Heroes star shoots some pictures at the festival.
Paris Hilton
The newly single celeb made the scene with her sister, Nicky.
Emile Hirsch
The actor takes it all in while at the Lacoste shindig.