1. Candace Cameron Bure

When she was 22 years old, Candace gave birth to daughter Natasha in 1998. She and husband Valeri Bure have two other children together, sons Maksim (born in 2000) and Lev Valerievich (born in 2002).
2. Sofia Vergara

Sofia – who was then married to her high school sweetheart Joe Gonzalez – gave birth to their son Manolo in 1991. The Modern Family actress was 19 years old at the time.
3. Kylie Jenner

At 20 years old, Kylie gave birth to her and rapper Travis Scott's daughter, Stormi.
4. Brandy

Brandy gave birth to daughter Sy'rai Iman Smith in 2002 when she was 22 years old. She and then-boyfriend Robert Smith allowed MTV to film her pregnancy on the short-lived reality show, Brandy: Special Delivery.
5. Reese Witherspoon

When she was still married to Ryan Phillippe, Reese gave birth to daughter Ava in 1999. Reese was 23 years old. She also gave birth to the couple's son Deacon in 2003. She is now married to Jim Toth and the two had a son in 2012 named Tennessee.
6. Jamie Lynn Spears

In 2007, the Zoey 101 star gave birth to her daughter Maddie at age 17.
7. Britney Spears

At age 23, Britney welcomed her first son, Sean, with then-husband Kevin Federline. Just a year later in 2006, she gave birth to their second son Jayden.
8. Victoria Beckham

Victoria and husband David Beckham became parents to their son Brooklyn in 1999 when Victoria was 24 years old. Since then, they've expanded their family with two more sons, Romeo and Cruz, a daughter, Harper.
9. Kate Hudson

Kate became a mom to son Ryder when she was 24 years old. Ryder's father is Kate's ex-husband Chris Robinson. In 2011, Kate gave birth to Bingham with ex Matt Bellamy.
10. Hilary Duff

Hilary and then-husband Mike Comrie had son Luca in 2012. Hilary was 24 years old.
11. Solange Knowles

At age 18, Solagne and her first husband, Daniel Smith, welcomed son Daniel in 2004.
12. Adele

In 2012, Simon Konecki and Adele welcomed son Angelo when she was 24 years old. Simon and Adele got married in 2016.
13. Keisha Castle-Hughes

In 2007, 17-year-old Keisha and her then-boyfriend Bradley Hull welcomed daughter Felicity-Amore. The couple broke up in 2010 after seven years together.
14. Ashlee Simpson

In 2008, when Ashlee was 23 years old, she and ex Pete Wentz became parents to their son, Bronx. In 2014, Ashlee married Evan Ross and they now have a daughter, Jagger.
15. Roseanne Barr

When she was 18 years old, Roseanne gave birth to her daughter Brandi Brown, who she gave up for adoption. The two were reunited when Brandi was 17 years old. Roseanne also has four other children.
16. Niki Taylor

When she was 19 years old, the supermodel had twin boys – Hunter and Jake – with former Miami Hooters linebacker Matt Martinez, who was her husband at the time. Niki is currently married to Nascar driver Burney Lamar and the two have daughter Ciel and son Rex together.
17. Naomi Judd

Naomi Judd gave birth to her first child, Christina Ciminella (later called Wynonna Judd) in 1964 when she was 18 years old. She then gave birth to daughter Ashley in 1968.