Paris Hilton DJs for a Yoga Session at Equinox

Paris Hilton headlining in Ibiza ... but she will also volunteer for a rager during a yoga sesh at Equinox, when it benefits a kid's charity.

Paris put her turntable skills to good use Wednesday at an Equinox gym in West L.A., where she was performing at a benefit for The Felix Organization, which helps children in the foster care system.