Actor Liam Hemsworth (L) and singer Miley Cyrus arrive at the premiere of Lionsgate's 'The Hunger Games' at Nokia Theatre L.A. Live on March 12, 2012 in Los Angeles, California. (Getty Images)

Those ex-Disney kids grow up so fast.

People magazine confirms that former Hannah Montana star Miley Cyrus is now engaged to Hunger Games hottie Liam Hemsworth after three years together. Hemsworth reportedly proposed to Cyrus with a 3.5-carat diamond ring from famed jeweler Neil Lane on May 31.

Muhammad Ali's Celebrity Fight Night XIII - ShowMiley managed to keep the big news under wraps for the past couple of days, but did tweet on June 1, "heaven is a place on earth." Cyrus told People magazine, "I'm so happy to be engaged and look forward to a life of happiness with Liam."

Hemsworth, 22, and Cyrus, 19, started dating in 2009 on the Tybee Island, Georgia set of the sapfest The Last Song. The pair broke up twice in 2010, but reunited in April 2011 and have been bonding over penis cakes ever since. Cyrus had previously been linked to Nick Jonas, her boyfriend during her early teens, and aspiring country singer and model Justin Gaston.

Should Cyrus wed within the next couple of years, she'll follow in the footsteps of many a child star. Britney Spears, Drew Barrymore, Reese Witherspoon, Avril Lavigne, and LeAnn Rimes were all wed before they hit 25; Unfortunately, all of these marriages ended in divorce.

Cyrus' brother Trace is also engaged to marry former Disney star Brenda Song, best known for her work on The Suite Life of Zack and Cody. Perhaps they'll all get married in one giant ceremony presided over by a stoned Mickey Mouse, and Selena Gomez will catch the bouquet, crushing the Bieber-centric dreams of thousands of child bride hopefuls.