Blake Shelton Calls Luke Bryan A “Sh*thead” In Hilarious Throwback Birthday Post

You knew Blake would have something funny for Luke Bryan on his 43rd birthday.

In the hilarious ball-busting Instagram post, Blake said:

“Throwback to when @lukebryan wore clothes that actually fit him.. Happy Birthday shithead!!” 

ZING. Luke Bryan is 43!? Time flies…

Whiskey Riff is the most entertaining country site…ever.