"I've Grown Accustomed to Her Face" is a song from the 1956 musical My Fair Lady, with music by Frederick Loewe and lyrics by Alan Jay Lerner.
[1] It was originally performed by Rex Harrison[1] as Professor Henry Higgins [2] who also performed it in the 1964 film version.
[3] The song expresses Professor Henry Higgins's sentimental and wistful sadness for his pupil Eliza Doolittle who has chosen to walk out of his life, a sudden realization of how much he will miss her, and, in passing, his scorn for her life in a chosen marriage.