FireAid benefit for Los Angeles had everyone from Nirvana to Stevie Wonder to Billie Eilish

When the first song of the night features record-smashing pop icon Billie Eilish out the front of pop-punk royalty Green Day, you know you’re in for something special.

That’s how FireAid, a massive fundraiser for those impacted by this month’s Californian wildfires, kicked off this afternoon…