It may have seemed strange to some folks that Lady Gaga was starring in a Thanksgiving special with The Muppets, even though Kermit was her MTV VMAs date back in 2009. The famous frog also adorned one of Gaga's most famous outfits earlier that same year.
Hence Kermie's statement about tonight's ABC special: "We have a long history with Ms. Gaga, so we jumped at the chance to do a holiday special with her," Kermit said. "We won't even mind if she mistakes some of the Muppets for pieces of her wardrobe -- again."
But while everything Gaga does has a certain degree of strangeness, it's not unusual for Muppets to work with musicians and pop stars.
So, in honour of Gaga's holiday special, we've put together a video gallery of the best Muppet musical moments, ranging from Rita Morena performing "Fever" with Animal, Gonzo duetting with Paul Simon, Kermit singing "Rainbow Connection" with Debbie Harry to the Muppet cast crooning "Bohemian Rhapsody" and the gang's brilliant barbershop quartet version of Nirvana's "Smells Like Teen Spirit."
Oh, and since "Sesame Street" is largely populated with Muppets, too, we've included that show's coolest musical cameos at the end.