Are Kermit the Frog and Miss Piggy married?

Throughout Muppet history, Miss Piggy has been persistent upon two things: her fame, and her love for Kermit the Frog. In the case of the former, she has gone to great lengths to convince, fool and force the frog into matrimony. This entry serves to chronicle her attempts at marital bliss, if not her penchant for delusion.

The Muppet Show

 * Episode 223: John Cleese -- "Waiting at the Church"
 * Episode 310: Marisa Berenson -- Piggy tricks Kermit into a wedding sketch
 * Episode 422: Andy Williams -- Piggy tells everyone that she and Kermit are engaged
 * Episode 502: Loretta Swit -- Tongue Magazine runs a story about Piggy and Kermit being secretly married