"Champagne Supernova" is a song by English rock band Oasis, written by Noel Gallagher.

[3] Described by Gallagher himself as “probably as psychedelic as I'll ever get,” it features a dreamy, anthemic sound characterized by its expansive instrumentation and atmospheric production.

The song begins with a gentle, arpeggiated guitar riff that sets a reflective mood, gradually building in intensity.

As it progresses, layered guitars and lush strings create a rich soundscape, complemented by a steady drum beat that drives the song forward, accompanied with the vocals of Liam Gallagher, conveying a sense of longing and nostalgia, with lyrics that are both evocative and somewhat abstract.

[4][5] Although much debate surrounds the meaning of the song, Noel Gallagher originally described how "Champagne Supernova" resonates with him depending on his mood.

[6][7] "Champagne Supernova" is considered by fans and music journalists alike as one of the most critically-acclaimed songs of Oasis and a defining piece of the Britpop era; Alexis Petridis, the chief critic of The Guardian, called it the band's greatest song, saying it was the "perfect epitaph for swaggering mid-90s hedonism".

The song is included on the band's greatest hits album Stop the Clocks and on the US release of Time Flies... 1994–2009.

"Champagne Supernova" has also topped several ranked lists of the band's best songs, including from Consequence of Sound, The Guardian, Medium, Uproxx, and Variety Magazine.

[13] Noel Gallagher said in 2005 that he had still not made up his mind as to what the song actually is about, having previously told an NME interviewer in 1995: It means different things when I'm in different moods.

Steve Baltin from Cash Box declared the song as "another guaranteed smash at all of the same outlets that took 'Wonderwall' to the top of the charts.

"[17] David Stubbs from Melody Maker wrote, "'Champagne Supernova' has been touted as Oasis' 'Day in the Life' with chords trailing through the water like a gondola to Avalon and the reproachful refrain, Where were you when we were getting high?.

"[18] John Robinson from NME named it "a slightly peculiar epic", adding that "'Champagne Supernova' is basically 'Cigarettes and Alcohol' with a lifestyle of faster cars, better mini-bars, accompanied by the less-than-sober sense of disorientation that has seeped into this album.

"[19] Andrew Harrison from Select complimented it as "a delightful, chiming tune with guest Paul Weller going totally Brian May on a hilarious bout of solo'ing.

[20] Leesa Daniels from Smash Hits gave it five out of five, writing, "Mere words are just not good enough to describe this.

In addition to topping multiple ranked lists of the best Oasis songs, it was named the 3rd-greatest by Far Out, the 4th-greatest by NME, and the 7th-greatest by Rolling Stone.

I heard it really stripped down, it was just Noel's voice and an acoustic guitar, which is not a million miles away from how it came out, but you knew it was a hit.

At Oasis' Knebworth performance, Stone Roses guitarist John Squire made a guest appearance.

while the remix was issued on the B-side on a promo-only 12" of Oasis' cover of Slade's "Cum On Feel the Noize".

Known as the "Lynchmob Beats Mix", this remix has been reissued on promotional material for the band's greatest hits album Stop the Clocks.