Kristen Stewart [1] and her rumored girlfriend, Alicia Cargile, were spotted hanging out with a group of friends at Coachella on Sunday. They stayed close while checking out a performance, and Kristen smoked a cigarette as Alicia showed off something on her cell phone. It's the first time we've seen Kristen and Alicia out and about together since their cute weekend outings in LA [2] back in March, and they were just two of the many celebrities who popped up in the desert [3] for the annual music festival. In addition to her laid-back afternoon at Coachella, Kristen also celebrated a big milestone when she rang in her 25th birthday last week; we commemorated her big day with a look back at her Hollywood evolution [4], as well as a roundup of her surprising range of facial expressions [5]. Keep reading to see Kristen and Alicia at Coachella, and check out more celebrity couples who came out for the event [6].