06/06/2012 04:44 pm ET | Updated Jun 06, 2012

Miley Cyrus Engaged: Is She Too Young To Marry?

Miley Cyrus confirmed Wednesday that she is engaged to Liam Hemsworth.

While we're thrilled for the couple, who have been dating for three years and met on the set of 2009's "The Last Song" -- we can't help but wonder, is Cyrus too young to wed?

Many Hollywood stars who married young made it last -- including Dolly Parton, who married at age 20 and Bo Derek, who was 18 when she wed -- but these nine others did not. Click through the slideshow below and weigh in: Will Cyrus' marriage go the distance?

Youngest Celebrity Marriages (21 and under)