- Shallow is the theme song for the 2018 film A Star Is Born.
- It is written by Lady Gaga, Mark Ronson, Anthony Rossomando and Andrew Wyatt, and produced by Lady Gaga and Benjamin Rice.
- It is sung as a duet by Lady Gaga and Bradley Cooper.
- The song is the first single from the film's soundtrack, released on September 27, 2018 by Interscope Records.
- It appears three times in the film, including during the scene where Jackson Maine (played by Bradley Cooper) invites Ally Campana (played by Lady Gaga) to come and sing on stage.
- The song was very positively received by critics, who praised Lady Gaga's vocal performance and the dramatic composition of the song.
- It won numerous awards, including the Oscar for Best Original Song, the Golden Globe for Best Original Song, the Grammy Award for Best Pop Duo/Group Performance, and two more Grammy nominations (including Song of the Year).
- The public reception was equally warm, with the song becoming an international hit and breaking several records.
- In just six months, Shallow sold more than seven million copies worldwide and became the most awarded song of all time (with more than 50 awards in 2019), which also makes Lady Gaga one of the most awarded artists in music history.
- As of early 2020, there have been over 14 million copies sold and the song now has over 80 awards from around the world.
- Shallow is also performed as an encore during Lady Gaga's Enigma, her Las Vegas residency show.