"I Saw Her Standing There" is a song by the English rock band the Beatles written by Paul McCartney and John Lennon. It is the opening track on the band's 1963 debut album Please Please Me.

In December 1963, Capitol Records released the song in the United States as the B-side on the label's first single by the Beatles, "I Want to Hold Your Hand". While the A-side topped the US Billboard chart for seven weeks starting 1 February 1964, "I Saw Her Standing There" entered the Billboard Hot 100 on 8 February 1964, remaining there for 11 weeks, peaking at #14. The song placed on the Cashbox chart for only one week at #100 on the same week of its Billboard debut. In 2004, "I Saw Her Standing There" was ranked #139 on Rolling Stone's list of the 500 Greatest Songs of All Time.

The song was mainly written by Paul McCartney. Originally titled "Seventeen", the song was apparently conceived by McCartney while driving home from a Beatles' concert in Southport, Lancashire as a modern take on the traditional song "As I Roved Out", a version of "Seventeen Come Sunday" that he had heard in Liverpool in 1960. According to Beatles biographer Mark Lewisohn, McCartney worked out chords and changes for the song on an acoustic guitar, at the family home of his Liverpool friend and fellow musician Rory Storm, on the same night, 22 October 1962. Two days later, McCartney was writing lines for the song during a visit to London with his then-girlfriend Celia Mortimer, who was seventeen at the time herself. The song was completed about a month later at McCartney's Forthlin Road home with Lennon.

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