As if there wasn't enough star power at Coachella already, Beyoncé and Jay Z blew the lights out at the music festival with a pair of surprise performances. Bey joined her sister Solange Knowles on stage and jammed out to her little sister's rendition of her hit "Losing You."
Hours later in a separate performance, Jay Z crashed his former nemesis Nas' set, which thrilled audiences with a run-through of his seminal 1994 album Illmatic. Jay joined Nas for a performance of "Dead Presidents" and later Nas jumped in on Jay's "Where I'm From." Towards the end of the set, Diddy got in on the action with "Hate Me Now."
Coachella is familiar ground for Jay Z, who headlined the festival in 2010. Jay surprised his audience even then by bringing out Beyoncè for a performance of "Young Forever."

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 (Photo: Christopher Polk/Getty Images for Coachella)