"I Should've Never Let You Go" is a pop song by Australian female group Bardot, and was the second single from their debut album Bardot (2000). It was co-written by Lotti Golden, Hinda Hicks and Tommy Faragher and produced by Tommy Faragher.

This mid-tempo, soulful song was dominated by Katie Underwood who provided most of the main vocals, with Sophie Monk's high-pitched and off-key backing vocals providing harmonies throughout the track. Bardot did not perform the song after Underwood's mid-2001 departure for this reason. The single debuted at number 15 on the ARIA Singles Chart, peaking one place higher at number 14 and was certified gold. It was the 96th highest selling single in Australia for 2000. The single was a number 1 hit for Bardot in Singapore, but only spent three weeks in the New Zealand Top 40, peaking at number 25.

The B-side "Do It for Love" is a cover version of a 1992 single by Dannielle Gaha, written by Paul Gray (ex-Wa Wa Nee) and R. Feldman. It was also recorded in Chinese by Prudence Liew as "Bei Ni Zong Huai" in 1993.

The music video is semi-animated. It features the group in a recording studio flying through space before transforming into animated superheroes whose mission must defeat a giant green monster. In the end, they succeed, and once their mission is complete, return to their real-life selves. Bardot's then-manager Michael Napthali, makes a small cameo, rounding up the girls back into the recording studio before the end of the song.

Australian/New Zealand CD single (8573835792)

^*sales figures based on certification alone
^{^}shipments figures based on certification alone

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