Miley Cyrus returns as Hannah Montana in Disney+'s "Hannahversary" special. Here's every song performed and why each one made the cut.

20 years ago, “Hannah Montana” premiered on Disney Channel, introducing a generation of tweens and their parents to the fictional-turned-real popstar who’d go on to sell millions of albums.

"And when Miley Cyrus calls and asks you to be a part of the Hannah Montana 20th anniversary special, there's no other answer other than yes," she quipped.