As theLos Angeles Daily Newsreports, Vedder enthused from the stage, “This is crazy.

There’s a microphone, there’s a crowd.

It feels good.”

Jennifer Lopez performs onstage at the Vax Live concert

Around 20,000 fans were in attendance, most of whom were first responders and essential workers.

J-Lo took the opportunity to make it a family affair.

Thankfully, she’s since been fully vaccinated and was able to attend the concert as a result.

Jennifer Lopez performs onstage with her mother Guadalupe Rodriguez

Lopez then sweetly invited her mom onstage so they could sing Neil Diamond’s “Sweet Caroline” together.

Funnily enough, Lopez’s ex-fianceBen Affleckappeared onstage right after her first song, opposite TV host Jimmy Kimmel.