Celebrities kicked off the music festival celebrations in Coachella Valley in California over the weekend, letting loose with good pals under the desert sun. Donning zebra-print pants, Jared Leto chilled at the star-studded Neon Carnival event, and Kendall Jenner sported a huge nose ring while hanging with her sister Kylie and their new best friend Selena Gomez during daytime festivities. There was plenty of PDA, with Joe Jonas and girlfriend Blanda Eggenschwiler kissing passionately and recently engaged Emma Roberts and Evan Peters sharing a smooch. As for big surprises, Beyoncé duetted with her sister, Solange Knowles, Justin Bieber randomly showed up to perform, and Hilary Duff hung out with Mike Comrie, from whom she separated in January. Keep reading to see the best photos so far, and come back later as the celebration continues!