The two conglomerates are teaming up for a new kind of remix.
Earlier this week, Starbucks announced plans to block porn sites on its free WiFi.
This, apparently, was a problem that needed addressing.
The pop star imitates Celine Dion, sings show tunes, and rode piggyback on James Corden during the impressive segment.
Folk legend criticizes coffee company for its allegiance with Monsanto.