These celebrities are proud parents - for the first, second, third or maybe even more times - following the births of their babies in 2015.
1. Blake Lively and Ryan Reynolds
Blake Lively and Ryan Reynolds are parents for the first time! Their inaugural bundle of joy arrived in early January.
2. Kate Middleton and Prince William
Kate Middleton and Prince William welcomed royal baby princess Charlotte on May 2! (Somehow Kate looks like this having given birth that day.)
3. Justin Timberlake and Jessica Biel
Justin Timberlake and Jessica Biel welcomed their first child, a boy named Silas, in April 2015!
4. Paulina Gretzky and Dustin Johnson
Paulina Gretzky and Dustin Johnson welcomed their first child together in January 2015. Congratulations to the engaged couple!
5. Catelynn Lowell and Tyler Baltierra
Catelynn Lowell and Tyler Baltierra welcomed their second child on New Year's Day 2015. They're keeping this one, a daughter Nova Reign.
6. Carrie Underwood
Carrie Underwood had a major reason to smile in February of 2015: she gave birth to her first child! It was a boy named Isaiah.