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Miley Cyrus, Hannah Montana, Then and Now

DISNEY CHANNEL/ISABELLA VOSMIKOVA/ Theo Wargo/Getty Images

Can you believe it has been a decade since Hannah Montana premiered on the Disney Channel?

Today is the 10-year anniversary of the first episode, which debuted on March 24, 2006.

The show's final episode aired on January 16, 2011.

And oh, what a decade it has been.

The show's star, Miley Cyrus, 23, has truly experienced "The Best of Both Worlds"... she has been a Disney Channel darling and now she rides wrecking balls, is working on Woody Allen's new Amazon series, and she's back together with Liam Hemsworth.

She's, obviously, not the only star who is all grown up since the series became a hit 10-years ago.

Emily Osment, Hannah Montana, Then and Now

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Her BFF Lilly Truscott (played by Emily Osment) recently turned 24 and is now the star of her own show, the Freeform (formerly ABC Family) sitcom Young & Hungry.

Mitchel Musso, Hannah Montana, Then and Now

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Oliver Oken was friends with Miley's character, and BF to Lilly, and was played by Mitchel Musso.

The 24-year-old looks totally different with his new, mature 'do, and has been focusing on his acting and music careers while posting adorable Instagram and Twitter pics with his girlfriend. Too. Cute.

Jason Earles, Hannah Montana, Then and Now

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As for Jason Earles, who played Jackson Stewart on the show?

The 38-year-old star moved onto Disney XD's series Kickin' It following Hannah Montana, which ran from 2011 to 2015.

Moises Arias, Hannah Montana, Then and Now

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Moises Arias (a.k.a. Rico Suave) is now 21-years-old and has continued to appear in front of the camera, in projects like the 2013 Sundance film The Kings of Summer, and has done voice work in movies like Despicable Me 2.

Cody Linley, Hannah Montana, Then and Now

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The swoonworthy Jake Ryan was played by Cody Linley, who is now 26.

The star finished fourth on the the seventh season of Dancing With The Stars and released his debut album in 2012.

Anna Maria Perez de Tagle, Hannah Montana, Then and Now

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Anna Maria Perez de Tagle appeared on Hannah Montana as Ashley Dewitt, one of Hannah's rivals.

The 25-year-old has continued working in entertainment, as both an actress and singer, and was even seen in the Broadway revival of Godspell following Hannah Montana.

Shanica Knowles, Hannah Montana, Then and Now

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We can't talk about Ashley Dewitt without talking about Miley's other classmate and rival Amber Addison, who was played by Shanica Knowles.

In 2015, Knowles starred alongside Malcom-Jamal Warner in the Lifetime TV movie Megachurch Murder.

Noah Cyrus, Hannah Montana, Then and Now

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Miley Cyrus wasn't the only Cyrus who appeared on the show.

Her little sister Noah, 16, made a few appearances on the show and has voiced the title character of the anime feature film Ponyo as well as posed for PETA.

Billy Ray Cyrus, Hannah Montana, Then and Now

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And, of course, where would Hannah Montana (and Miley Cyrus) be without her dad Billy Ray Cyrus, who starred on the Disney Channel show as Robby Ray Stewart?

We all know that Robby Ray Stewart is basically Billy Ray Cyrus.

Since the show, Cyrus has continued to be a proud and supportive papa to daughter Miley.

Speaking of Cyrus, watch the video below to see the top 9 celebs who got their start on Disney...