"Teen Wolf" star Tyler Posey recently got engaged to his middle school sweetheart, Seana Gorlick. Thing is, he's the ripe age of 21.
But Posey isn't the only star to consider marriage at a very young age -- take Miley Cyrus for instance. The now 20-year-old got engaged to Liam Hemsworth at 19 after dating the Australian actor for three years.
Plus, how could we forget about Hilary Duff, who married husband Mike Comrie at the age of 22 and welcomed son Luca at 24?
Here are more stars who married young: