Hillary Scott

Chris Tomlin and Lady Antebellum's Hillary Scott also join Rhett on the song.

Scott describes her twin blessings as "bringing more joy than I could’ve ever imagined." See how they've grown!

It's beginning to look a lot like Christmas in country music!

Stars may lead glitzy lives, but when Thanksgiving comes around, they want home cookin'.

'Amercian Idol' has missed out on quite a few future stars over the years.

Mom, Mother, Mama, Mommy -- whatever she's called, she's played an integral role in these country stars' lives.

Lookin' good, Hil!

D'awwww!