Beyonce, Paul McCartney `become gym buddies` during Coachella Festival

London: Beyonce and Sir Paul McCartney have been working out together at the Four Seasons Hotel where they both are staying for the Coachella Festival.

According to the Sun, the music legends have been going through their paces at an LA gym where they both did some Pilates before heading off for a run after their workout, the Mirror reported.

Beyonce made a surprise appearance on stage with her sister Solange at the festival.