You're the Cream in My Coffee" is a popular song. It was published in 1928.
The music was written by
Ray Henderson, the lyrics by  Buddy G. DeSylva and Lew Brown and appears in the Broadway musical Hold Everything! and is featured in the  Warner Brothers film version of the musical in 1930.
The song was recorded by
Annette Hanshaw in 1928.
The song was later recorded by
Les Brown, Chris Connor (with the Jerry Wald Orchestra), the Ray Conniff Singers, and many others.
Marlene Dietrich recorded the song on her album "Dietrich in Rio" in 1959. 
The song provided a backdrop for the 1980
television play Cream in My Coffee by English dramatist Dennis Potter.
This song was used as the theme song for
in 2000 and it was recorded by BBC Records and sung by The Mrs Bradley Mysteries Graham Dalby and The Grahamophones in a re-creation of Jack Hylton's 1928 version. 
The song was also recorded by
Seth MacFarlane on his debut album, Music Is Better Than Words