Want More Proof Love Still Exists?

We've got some!
Justin Timberlake's affections for wife and baby momma Jessica Biel grow more and more with every passing year.
Photos: 15 Times JT & JB Packed On The PDA
And to show it, the Memphis-repping singer took time out of his schedule Friday to pen a touching love letter for the actress' 35th birthday.
Ch-ch-check out the sweet message he shared via Instagram (below)!You make me laugh. You make me smile. You make me LOVE. You make me want to be BETTER. Speaking of, it doesn't get an