"My Whole World Is Falling Down" is a song written by Bill Anderson and Jerry Crutchfield and performed by Brenda Lee. Its chorus is based on the nursery rhyme "London Bridge Is Falling Down". The song reached #8 on the Adult Contemporary chart and #24 on the Billboard Hot 100 in 1963. The song is featured on her 1964 album, By Request. The song also reached #16 in Australia. Brenda Lee's recording of the song appeared in the 1982 Costa-Gavras film Missing.