The host started things by pretending to overcome stage malfunctions and faux falling down steps.
It was all a bit confusing because viewers didn't know if everything was planned or not, but then Corden hit his stride with a rap, preparing us for the show and taking a shot at Trump.
"Live it all up because this is the best and with President Trump we don't know what comes next," said Corden.
Corden, who's already called out Trump's travel ban, seemed to reference its divisiveness again, saying, "We sit here tonight, no matter our race or where we were born or color or face. Music is art, remember forever. We can survive by sticking together."
Following Corden, Jennifer Lopez came on stage and kept the same sentiment going, saying, "At this particular point in history our voices are needed more than ever."
As far as Grammys openings go, it was pretty yuge.