It's billed as one of the hottest musical festivals - literally.
Sophia Bush and actor Dan Fredenburg were among the lucky few who got a chance to take a break from the desert heat at the Coachella music festival on Friday at the Harper's Bazaar party at The Parker Hotel in nearby Palm Springs, California.
Keeping cool: Sophia Bush and Dan Fredenburgh
hid under the shade as they took a break during the Coachella music
festival on Friday at the Harper's Bazaar pool party in Palm Springs,
California
The former One Tree Hill star kept cool in a sleeveless white shift dress matched with a pair of shimmering gold Oxfords.
Among the early arrivals at the poolside fete were Katy Perry, actor-filmmaker Eli Roth and Columbian actress Lorenza Izzo, who looked ready to rock in a leggy orange top, a floral headband and fringed leather wedges.
Shopping: The Partners actress looked ready to rock, even as she took a shopping break
Hot: Katy Perry stepped off the sun-kissed Coachella festival's grounds a stop at the Harper's Bazaar pool party
Fans will surely be able to catch some of their favourite stars over the two-weekend event, which wraps up on April 21.
Spotted around the festival grounds on Friday were Paris Hilton and her sister Nicky, Twilight star Kellan Lutz and famous celebrity offspring Connor Cruise and Francesca Eastwood.
Rocking out: Actors Eli Roth and Lorenza Izzo wore their festival best
Electic: DJ Mia Moretti showed off her wild style in a multi-patterned denim two-piece
Tickets started out at $330 and easily sold out after the line up was announced in January.
Blur and The Stone Roses, who recently reunited after a long hiatus, will start up the weekend as Friday's headliners.
Ready to rock: Paris and Nicky Hilton enjoyed the best of Coachella on Friday as they roamed around backstage between shows
Bom dia: Brazilian model Alessandra Ambrosio also spent her Friday in the California desert
Heating up: Kellan Lutz was among the celebrities spotted in the crowds
Dropping in: Celebrity offspring and DJ Connor Cruise was spotted backstage
Phoenix, which has a new album coming out this spring, will take Saturday's primetime spot.Los Angeles rockers Red Hot Chili Peppers, who previously headlined the festival in 2003 and 2007, will close out the festival in the Sunday headlining slot.
Music fans will be sure to catch their favourite acts as the same bands are set to play on both weekends.
Idyllic: The four-day festival is tucked away in the desert town of Indio, Calif.
Jam packed: Over 80,000 fans are expected to attend
Wet and wild: Festival goers made sure to stay hydrated
Previous years have seen acts such as Prince, Kings of Leon, Beastie Boys, Madonna, Muse, Pixies, Jay-Z and Kanye West take the headlining slots.
Last year, hip hop veterans Snoop Dogg and Dr. Dre grabbed headlines as they resurrected late rapper Tupac via hologram on stage for the closing night of the festival.
On stage: Musician Jake Bugg kicked off Friday's festivities
Fearless: Musician Michael Camino of the band Skinny Lister jumped into the crowd -- bass included