Mitchel Musso was absent from the 'Hannah Montana 20th Anniversary Special' but shared a special message on Instagram ...

Osment shared similar sentiments in her post, thanking the fans for their long-time adoration of the show: "Hannah Montana ...

But they were tru-u-u-ue friends!

The “Hannah Montana” reunion is here, but stars like Emily Osment, Mitchel Musso and Jason Earles are missing. Here’s why ...

Osment is busy with another show you may be watching, while Musso reminisced about how the cast "literally grew up with y'all ...

Osment, who played Miley Cyrus' best friend on "Hannah Montana," explained to her followers why she would not be able to ...

However, in promotional footage for the special so far, there is no sight of two of the series’ main characters, Lily, played ...