This week ET broke the news that Miley Cyrus will celebrate her Sweet 16 birthday during a once-in-a-lifetime bash at the Happiest Place on Earth -- Disneyland! Now, you can find out more information at 

The "Hannah Montana" star is also sharing the spotlight during the private party with some deserving young people from Youth Service America who've been making a difference in their communities.

And ET has learned that Miley's fans are going to be able to join in the fun too! A limited number of $250 tickets to the exclusive October 5 event, "Miley's Sweet 16 -- Share the Celebration," go on sale on August 30 at 9am PDT. For more info go to www.DisneyParks.com/Miley.