Beyonce was watching HOVA on stage from the sidelines when he called her out to help him finish off his set.
B was standing with the Governators wife, Maria Shriver. Odd grouping.
Other celebs that have been spotted at Coachella so far are: Katy Perry, Taryn Manning, John Mayer, Kelly Osbourne, Lindsay Lohan and many more...
You can watch the performance below: