King Charles III is teaming up with Sir Elton John on Rocket Hour this Saturday to celebrate his 78th birthday.
The episode, recorded in secret last month, is set to be a fun mix of music and conversation: at one point, Charles calls Elton a "national treasure," and Elton fires back with a cheeky Antiques Roadshow joke.
Show highlights music shaping King's Trust
The show will highlight how music has shaped the King's Trust (formerly The Prince's Trust), which helps young people from tough backgrounds.
Elton, who recently donated his pair of rose-tinted glasses for the trust's 50th anniversary auction this year, joins Charles in shouting out artists who've backed the cause:
Muse's "Feeling Good" might even make the playlist.