Nathan Followill and wife Jessie expecting first child

Nathan Followill and Jessie Baylin © Splash News Online

A third Kings of Leon baby is on the way! Nathan Followill and wife Jessie Baylin have announced that they are expecting their first child in December. Drummer Nathan tweeted, "I'm beyond excited/anxious. Life is beautiful." Nathan, 33, and singer/songwriter Jessie, 28, tied the knot in November 2009 in Brentwood, Tennessee.

Nathan's baby news follows shortly after the birth of his brother Caleb's first child. Caleb and Lily Aldridge welcomed daughter Dixie Pearl on Thursday. Cousin Matthew Followill is a dad to 13-month old son Knox Cameron Patrick.

It's a princess for Caleb Followill and Lily Aldridge

Caleb Followill and Lily Aldridge welcomed a daughter into their family on June 21st in Nashville. Baby girl was 22 inches/ 56 cm long and weighed 7 lbs., 11 oz./ 3,5 kg at her 1 a.m. arrival. The couple named their daughter Dixie Pearl.

Lily Aldridge and Caleb Followill © Jason Merritt/Getty  

A rep for Kings of Leon told People Magazine, "Mom, dad and baby are happy, healthy and enjoying their new addition." Lily, 26, tweeted, "Thank you everyone for all the sweet words! We are so in love with our darlin Dixie Pearl :) much love to everyone xoxo".

Caleb Followill and Lily Aldridge on their wedding day © Joe Buissink 

Caleb, 30, and Lily, 26, were wed in Santa Barbara in May 2011. Caleb isn't the first band member to add to the Kings of Leon family. His cousin Matthew Followill has a son, Knox Cameron Patrick, who's 13 months old.