Looks like things are over for Miley Cyrus and Liam Hemsworth!

Multiple sources confirm to Us Weekly  that the twosome have split. "They are definitely over," the source tells the mag.

Liam, 23, and Miley, 20, met on the set of "The Last Song" in 2009 and quickly became an item shortly after -- in 2012, Liam popped the question with a 3.5 carat sparkler.

But over the last few months, the young couple has been spending more and more time apart -- Liam visited his family in Australia and Miley has been wearing her engagement ring on and off.

Still, Cyrus nor Hemsworth have commented on their relationship status ... but if they're done for good, we can't say we didn't see this coming!

Good news is -- they're both still so incredibly young, if it's meant to be, it will eventually be.

Click "Launch Gallery" above to see the couple in happier times.

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