|Grand Meeting of Ooo Royalty|
|"Princess Bubblegums" at the Grand Meeting of Ooo Royalty|
|Name||Grand Meeting of Ooo Royalty|
|Location||Royal Congressional Hall|
|Introduced In||"The Duke"|
It was first introduced in the episode "The Duke." As its name alludes, it is a meeting involving all the rulers in Ooo, including Wildberry Princess, Emerald Princess, Slime Princess, Hotdog Princess, Raggedy Princess, Lumpy Space King and Queen and Marceline. The purpose of the event is unknown, but Adam Muto described it as being like a G8 Summit. It is held in the Bad Lands at the Royal Congressional Hall.