"Too Good to Lose" is a song by British singer songwriter Rebecca Ferguson. The song serves as the second single from the debut studio album, Heaven, and was released in the United Kingdom on 2 March 2012. "On & On" was confirmed as the single's official B-side on Ferguson's website on 1 February. "On & On" is a cover of a song by the band Longpigs that originally appeared on their album The Sun Is Often Out.

The song is about Rebecca's relationship with a boyfriend, and says that signs of breaking up aren't as they seem. In the song she says "Hey I lost my phone/Maybe you called and I didn't pick up/And if you wondered that's all it means". Rebecca also says she would give up all the good things in the world just to be with the boy she loves, because he is "Too Good to Lose".

A music video to accompany the release of "Too Good to Lose" was first released onto Ferguson's Vevo on 1 February 2012 at a total length of three minutes and thirty-one seconds. The video shows Ferguson strolling along Venice Beach, California wearing a red dress and features many bright and unique characters which implies all that is good cannot be lost.

Robert Copsey of Digital Spy gave the song a positive review stating:

"Maybe you called and I didn't pick up/ And if you wondered that's all it means," she assures in her peppery tones over a soul-tinged piano riff. Her smitten-but-still-independent stance makes for a wonderfully refreshing change from the 'til death do us part norm, especially when it comes sans in-yer-face finger snapping. Just effortless sass and sophistication.

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