This brought tears to our eyes!!
Next to a photo of the letter, Miz King penned:
But the most intriguing part about the song is what it seems to be about!
Chris Martin is singing a slow, sultry ballad about a love that fades away.
Hit play and ch-ch-check the song from their BBC Radio 1 Live Lounge session out for yourself!
If we had to guess, we'd say it's GOTTA be about their once vibrant love slowly fading away…But hey! That's just us.
What do YOU think?!?