John Stamos of Jesse and the Rippers on Late Night With Jimmy Fallon (Getty Images)

As we excitedly took note of earlier this week, John Stamos got his Full House band, Jesse and the Rippers, back together. WHO EVEN KNOWS WHY. But it all happened last night on Late Night—Jimmy Fallon introduced them saying, "They're a great band out of San Francisco. In 1992 their single 'Forever' became a #1 in Japan [and] tonight they're reuniting for one night only." They proceeded to play a medley of their hits, as well as the Full House theme song... and Lori Loughlin showed up! Life is so weird and confusing—enjoy it:

And yes, that's his mullet-chic Jesse hair: