L.O.V.E. - Nat "King" Cole (1964)

The name of this song is "L.O.V.E." by Nat King Cole from 1964.
You can also hear this in the movies "Sleepless in Seattle" (1993), "The Parent Trap" (1998), "The Little Rascals" (1994), "He Loves Me... He Loves Me Not" (2002), "How to Lose a Guy in 10 Days" (2003), "Lars and the Real Girl" (2007), "Why Did I Get Married?" (2007), "The Girl from Monaco" (2008) and "I Don't Know How She Does It" (2011).
American Crooning.