Getty ImagesBeyonce jumped on stage with sister Solange during "Losing You." Their Saturday night duet was limited to dancing, not singing.
Getty ImagesThis is not a photoshopped photo about rap beefs. Rounding out the first family of music, Jay-Z surprised during Nas' set for "Dead Presidents" and "Where I'm From". The two had a long running feud in the past.
Getty ImagesLater, Diddy joined Nas for "Hate Me Now"...
Getty Images...and a bottle of Hennessy joined Nas as he performed his entire "Illmatic" album to celebrate its 20th anniversary.
Getty Images1999 was a long time ago. Diddy got some help for "Hate Me Now".
Getty ImagesJosh Homme and Queens of the Stone Age rocked the main stage before Muse closed Saturday nights performances.
Getty ImagesBusta Rhymes in a sea of Jabbawockeez.
Getty ImagesMeanwhile, producer Randall Emmett with Ambyr Childers (who worked together on "2 Guns") were two of the 3000 guests who heard Zoe Kravitz and DJ Ruckus at the Neon Carnival.
Getty ImagesThe blonde socials were out in full force: Lady Victoria Hervey (who came out as a "Brony") and the Hilton sisters making their annual appearance.
Getty ImagesLorde topped many people's "must see" list on Saturday. She used the dusty wind to her advantage.
Getty ImagesGwen Stefani joined Pharrell for "Hollaback Girl", a song the two wrote together with Pharrell's left-in-the-dust-lately Neptunes partner, Chad Hugo.
Getty ImagesAn oasis at the end of a dusty festival day. Free food trucks at the Carnival.
Getty ImagesMr. Brainwash makes a statement about the late night scene at Neon Carnival.
Getty ImagesEmile Hirsch, Lance Bass, and Miles Teller at the Carnival, who has had the captain hat glued to his head all weekend. Olay Fresh Effects, Nylon magazine, and Guess were the hosts, as STK served up food and drinks.
Getty ImagesMeanwhile, separate invites for Alexander Wang and H&M led to the same place: a "surprise party" revealing the collaboration. Top left: Kate Bosworth with the man of the night. Top right: Diplo and his Major Lazer trio did not have their ties on by the end of the energetic set that started at last call and went past 3 a.m.
Getty ImagesEarlier on Saturday, Diplo's collaborator Dillon Francis' had a shell for his set in the Sahara.
Getty ImagesNo Oscar would be awarded for best zebra pants, to the disappointment of Jared Leto, backstage on Saturday.
Getty ImagesKid Cudi loved every second of his main stage experience. Backstage, he was fired up to meet David Hasselhoff, who was there for the second day in a row.
Wireimage/SamsungEmmy Rossum and Fergie checked in to Samsung Galaxy's "owners lounge" in the VIP. On the weekend that they launched the new Galaxy S5 and free streaming music service Milk Music, they went all in with free massages and hair braiding in the air conditioned space.
Getty ImagesElon Musk spent Saturday afternoon at Soho's Desert House, as Wye Oak followed a Friday set at Coachella with a Saturday set at "the house".
Getty ImagesHey Matt Shultz (from Cage the Elephant) where do you like to perform? Anywhere but the stage!
Getty ImagesSteven Tyler took a bite out of Katy Perry's brim at Lacoste's wall-to-wall party in Thermal on Saturday afternoon.
Mikey GlazerCutting through the crowd with people shocked to see him, Tyler was an in-demand "meet" for both celebs and civilians.
Getty ImagesDoes this look like Vegas? I'd say Lacoste was at 140% of capacity all afternoon.
Getty ImagesEmma Roberts, Lea Michele, and Mark Salling at Lacoste.
Getty ImagesOver in Palm Springs, Jamie Chung and Ryan Kwanten checked in to the Guess hotel at the Viceroy.
Mikey GlazerThe late afternoon hike to the concert grounds began a few miles away on Avenue 52 on Saturday afternoon.
Mikey GlazerMeanwhile, a stream of BMW's, Mercedes, and Audis were pulling in to get advance wristbands for Saturday night's Neon Carnival.
Getty ImagesKaty Perry's crew at the The Music Lounge at Ingleside Inn over in Palm Springs looked ready to shoot a campaign.
Getty ImagesSee what I mean? (That's Perry pal and busiest woman at the festival DJ Mia Moretti on her left. Moretti spun 3 gigs on Friday.)
Getty ImagesOutkast arrives. Andre 3000 and Big Boi headlined Friday night.
Getty ImagesThe Hoff's vocals are huge in Germany but he did not earn a microphone in Indio, just a backstage pass.
Getty ImagesMartin Garrix's P.O.V...
Getty Images...and the view behind the scenes as the "Animals" producer jumps.
Getty ImagesToo Short and Bustah Rhymes hose down Friday night's crowd with bubbles.
Getty ImagesJared Leto was another face in the crowd, as Tony Hawk and girlfriend Cathy Goodman also had the coveted pink "A" (for Artist) wristbands.
Getty ImagesWoodkid performs.
Getty ImagesIreland Baldwin is looking for the Chainsmokers (#Selfie) at the opening night of Soho's Desert House (it had all the touches of the permanent houses) as Rosie Huntington-Whitely hosted a sunset party for boutique owner Elyse Walker earlier on Friday night.
Getty ImagesTallulah Willis, Elyse Walker and Blogger Mallory Llewellyn at Walker's event at the Soho Desert House. Spotify is onboard for music brunches and Bacardi is a weekend long partner handling the pours.
Getty ImagesBackstage, L.A. Reid checked in as Kesha caught the Haim set.
Getty ImagesEllie Goulding got the prime 7 p.m. sunset slot on the main stage.
Getty ImagesDusk on Friday night.
Getty ImagesEarlier on Friday, Jennie Garth ran the gauntlet through the rare creative rendering of a carpet and Tide activation at the Ingleside Inn.
Getty ImagesPick your favorite headgear - the scene at the Music Lounge.
Maggie West/The CobrasnakeA day before the Beyonce surprise, Solange first took center stage at the Saguaro Desert Weekender in Palm Springs, for the Opening Ceremony X Teva event.
Maggie West/The CobrasnakeMichelle Branch found shade and freebies at the Saguaro Desert Weekender, which had 47 Brand, Reyka Vodka, Core Power Yoga and Hornitos on board as partners.
Michael Kovac/Getty ImagesFestival regular Kellan Lutz hosted his "Twilight" costar Ashley Greene, and fellow event fixture Aaron Paul at a picnic in Palm Springs touting his Abbot + Main clothing line.
Getty ImagesDaryl Hannah in her festival gear.
Wireimage.They look good, but this is not the "Fantastic Four" that Miles Teller (left) will be rebooting a film franchise with next year. On Friday, he brought a crew to the Samsung Galaxy owner's lounge inside the festival's VIP area.
Getty ImagesThe tents are full on Friday afternoon.
Getty ImagesMSMR singer Lizzy Plapinger is nearly overwhelmed backstage after her late afternoon main stage performance, as NYC DJ/model/socialite Harley Viera Newton looks on from the side stage.
Getty ImagesThis is not a reminder that the MTV Movie Awards are on Sunday.
Michael Kovac/Getty ImagesAaron coaches wife Lauren Parsekian in frisbee at Lutz's picnic on Friday afternoon.
Michael Kovac/Getty ImagesJoe Jonas turned up to support Kellan.
Getty ImagesIsabella Manfredi of The Preatures was the first to christen the main stage at 12:30 on Friday afternoon. At this point, the grounds are sparse...
Getty Images...except for a few Coachella creatures.
Mikey GlazerThe sign that marks the end of the road trip.
Mikey GlazerThe traffic on Avenue 49 leading towards the grounds on Friday morning.
Mikey GlazerOn Wednesday, the calm before the storm.
Mikey GlazerI may or may not have been involved with the creation and failed use of this sign.
TheWrap’s continually updating gallery of the people, parties, and scene in Indio
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This is not a photoshopped photo about rap beefs. Rounding out the first family of music, Jay-Z surprised during Nas' set for "Dead Presidents" and "Where I'm From". The two had a long running feud in the past.