"Oh, but your lovely
With your smile so warm and your cheek so soft
There is nothing for me, but to love you
Just the way you look tonight..."
from "The Way You Look Tonight" by Tony Bennett & Faith Hill
It is a song featured in the film Swing Time performed by Fred Astaire.
It won the Academy Award for Best Original Song in 1936.
(One of the most famous covers is the one by Tony Bennett)