She's expecting hersecond child with this rock band's frontman, to whom she just became engaged after dating for a year. She had her first child, Ryder, now 7, with another rock star, to whom she was married for seven years.
This WNBA superstar and four-time Olympic gold medalist took a break from her career when she had her first child, Lauren, now 3, with husband Michael Lockwood. She had her second child, Michael, in 2010.
A model since age 13, she had her twin boys, Jake and Hunter, at this age, with her former linebacker husband. They were married for two years. She's now remarried and had a daughter in 2009.
She was this surprising age when she had twins Olivia and Anton, now 10, with a well-known actor, to whom she was married for six years.
When your sister is a superstar, the world notices when you have a baby at this age. Solange had her son, Juelz, now 6, with then-husband Daniel Smith, whom she married at age 17. They divorced after three years of marriage.
A two-time Olympic gold medalist in soccer, this superstar athlete became a first-time mom to twin girls Grace and Ava with her major-league husband, to whom she's been married for seven years. The girls are now 4 years old.
This youngest-ever Academy Award nominee for Best Actress had her daughter, Felicity-Amore, now 4, with her boyfriend of eight years, Bradley Hull.
This diva had her son Rene-Charles, now 10, with her husband and partner of 24 years, Rene Angelil, when she was 33. She gave birth to twins Eddy and Nelson in 2010.
She had her daughter, Nahla, with former flame Gabriel Aubry, whom she dated for five years. They broke up in 2010. Nahla is now 3.
A mother of five, she had her first child, Track, when she was 25. She and husband Todd have been married for 22 years, and everyone is wondering if she'll run for president in 2012.
The first lady had her first daughter, Malia, when she was 34. Now 12, Malia and sister Sasha, age 9, are part of the first family. Michelle and Barack Obama have been married for 18 years.
Her famous sister was the headline-grabber in the family before Jamie Lynn had her daughter, Maddie, at this age with boyfriend Casey Aldridge. They were together for four years before breaking up in 2010. Maddie is now 2.
She became a first-time mom to daughter Chelsea at age 33. Chelsea is now 31, and Hillary and husband Bill have been married for 35 years.