25 Celebs Who Married Young

Jamie Lynn Spears, engaged at just 21, joins a whole host of young brides in Hollywood. The Huffington Post rounds up 25 under 25:

• Megan Fox married Brian Austin Green when she was 24.
• Hilary Duff wed Mike Comrie at age 22.
• Heidi Montag was 22 when she married Spencer Pratt.

• Elizabeth Taylor's first marriage, to Conrad Hilton, took place when she was 18.
• Mandy Moore married Ryan Adams when she was 24.
• Melanie Griffith wed Don Johnson when she was 18.
• Dolly Parton was 20 when she married Carl Dean.

Click for the complete list of marriages, most of which, shockingly, didn't work out.