"I'm Sorry" is a 1960 hit song by 15-year-old American singer Brenda Lee. It peaked at No. 1 on the Billboard Hot 100 singles chart in July 1960. AllMusic guide wrote that it is the pop star's "definitive song", and one of the "finest teen pop songs of its era". It was written by Dub Allbritten and Ronnie Self. On the UK Singles Chart, the song peaked at No.12. Alvin and the Chipmunks covered the song for their TV series episode "The Secret Life of Dave Seville". Ben Vaughn referenced it in his song "I'm Sorry (But So Is Brenda Lee)".