"Somethin' Stupid", or "Something Stupid", is a song written by C. Carson Parks. It was originally recorded in 1966 by Parks and his wife Gaile Foote, as Carson and Gaile. A 1967 version by Frank Sinatra and his daughter Nancy Sinatra became a major international hit, reaching number one on both the Billboard Hot 100 chart and the UK Singles Chart. In 2001, a cover version by British vocalist Robbie Williams and Australian actress Nicole Kidman reached number one in the UK Singles Chart.

Francis Albert Sinatra was an American singer and actor. Nicknamed the "Chairman of the Board" and later called "Ol' Blue Eyes", he is regarded as one of the most popular entertainers of the mid-20th century. Sinatra is among the world's best-selling music artists, with an estimated 150 million record sales globally.