I truly had no idea that Olivia Wilde was a teen Saint Bridget .

Yesterday we found out that 19-year-oldMillie Bobby Brownand 20-year-old Jake Bongioviare engaged.

Because this whole teen bride/groom thing is more common in Hollywood than you think, here are 15 other celebs who got married before age 20…

1.Olivia Wildeeloped at 18to “Italian prince” Tao Ruspoli.

He was 27.

Theygot divorcedafter eight years of marriage.

2.Taylor Hansongot marriedto Natalie Anne Bryant at 19.

She was 18.

They’ve been married for 20 years and have seven children.

3.LeAnn Rimesgot marriedto dancer Dean Sheremet at 19.

He was 21.

They divorced after seven years of marriage.

4.Macaulay Culkinmarried actress Rachel Miner when he was 17.

Theyseparated aftertwo years of marriage.

5.Solange Knowlesgot marriedto her high school sweetheart Daniel Smith at 17.

I can’t find his exact age, but I’m assuming that they were around the same age because they were high school sweethearts.

Theygot divorcedafter two years of marriage.

6.Milla Jovovich married herDazed and Confusedcostar Shawn Andrews at 16.

The marriagewas annulleda few months later.

7.Drew Barrymoremarriedbar owner Jeremy Thomas at 19.

He was 31.

Theysplit upafter 19 days.

8.Kim Kardashianmarriedmusic producer Damon Thomas at 19.

He was 29.

They broke up after four years of marriage.

9.Elizabeth TaylormarriedConrad Hilton Jr. at 18.

He was 23.

They were married for less than a year.

10.Demi Moorewas 18when she married musician Freddy Moore.

He was about 30.

Theywere marriedfor four years.

11.Janet Jacksonmarried singerJames DeBarge when she was 18.

Their marriage was annulled a year later.

12.Courtney Stoddenmarried actorDoug Hutchison at 16.

He was 51.

They were separated after six years.

13.Taran Noah SmithmarriedHeidi Van Pelt at 17.

She was 32.

They were married for six years.

14.Bo Derek was 19 when she married John Derek.

He was 49.

Theywere marriedfor 22 years until John’s death.

15.Melanie Griffithgot engagedto Don Johnson on her 18th birthday.

Their first marriage lasted six months. Thirteen years later, they got married again only to get divorced after seven years.

Jake and Milly

olivia with her arms around Tao

olivia and tao

the couple at an event

the couple at an event

closeup of the two at a table

the two outside of their car

the two at an event

Dean kissing LeAnn's forehead

the two smiling at an event together

the two at an event

closeup of the two

Solange on the red carpet

Closeup of Beyonce and Solange

closeup of Solange

Milla sitting in a chair smiling at the camera

closeup of Shawn

closeup of milla

closeup of the two

the two holding hands walking outside

closeup of the two

Kim at an event

arrow pointing to Damon Thomas sitting in a green room

older photo of Kim at an event

the two of them at their wedding

closeup of the two

elizabeth feeding conrad wedding cake

closeup of the two

closeup of the two

closeup of the two

the two of them at their wedding

closeup of the two

closeup of the two at their wedding

the two sitting on their couch

the two talking on their couch

the two holding shopping bags

the two on the red carpet

closeup of the two

closeup of the two

Bo with her arm around John

closeup of the two

the two holding hands on the street

the two with their arms linked

the two sitting down

the two at an event