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8 epic Official Chart battles
After four years of X Factor winners taking the Christmas Number 1, a Facebook campaign helmed by Jon Morter and his wife Tracy was set up to derail the 2009 series winner from taking the top spot yet again. The song of choice? Rage Against The Machine's Killing In The Name; a track Moter described as the "perfect antithesis to anything X Factor would put out".
The battle struck a chord with the nation and eventually saw Joe's The Climb (a Miley Cyrus cover) lose out, 451,000 sales to Rage's 503,000.
Dubbed the Battle Of Britpop, the race for Number 1 between Blur's Country House and Oasis' Roll With It in August 1995 is one of the most - if not the most - famous battles in Official Charts history. Such was the frenzy surrounding the race that it divided the nation and even made national news.
Blur came out the victors in the end, shifting 50,000 copies more than their rivals - but it was only the beginning for what was now a firmly established movement in music.
One of the most controversial battles in Official Chart history came in June 1977, when The Sex Pistols released their anti-establishment anthem God Save The Queen to coincide with the Silver Jubilee.
However, it was held off the top spot by Rod Stewart's double A-side of I Don’t Want to Talk About It/First Cut is the Deepest. As if losing the battle wasn't bad enough, the song was then banned for its lyrical content by Radio 1 and Woolworths.
All winners on ITV's Popstars: The Rivals, both the winning groups - Girls Aloud and One True Voice - went head to head in the race for Christmas Number 1 in 2002.
In an age where boybands ruled, One True Voice seemed like they would be the obvious winners from the outset, but it was the girls' infinitely superior Sound Of The Underground that won over the boys' double A-side Sacred Trust/After You're Gone by more than 65,000 copies. In fact, the public liked the song so much more than it spent a total of four weeks at the top.
See the Top 100 from the week of the chart battle
Images: Rex
One of the earlier battles in Official Chart's history, The Beatles faced unexpected competition from newcomer Engelbert Humperdinck in March 1967.
Fans were shocked when The Hump's debut single Release Me took the top spot ahead of the Fab Four's double A-side Strawberry Fields Forever/Penny Lane. Though it wasn't quite as surprising as his Eurovision comeback some 45 years later...
Back in 2000, Victoria Beckham launched her solo career with Out Of Your Mind, aided by former Another Level singer Dane Bowers and garage duo True Steppers. It was released the same week as Italian DJ Spiller and a then-unknown Sophie Ellis-Bextor's Groovejet, and a chart battle ensued.
After a close race all week, it was Spiller and Sophie who came out on top, finishing 20,000 sales ahead. Sadly, it was the closest VB would ever come to a Number 1 solo single.
See the Top 100 from the week of the chart battle
Images: Rex
Over on the Official Albums Chart, rapping heavyweights Kanye West and 50 Cent struck up a fierce competition back in 2007. The former's third album The Graduation went head to head with 50's Curtis, with the latter claiming he would retire from making music if West outsold him in the first week.
Of course, when West pipped him to the post by almost 13,000 copies (and much more than that in the US), he later qualified those remarks.
See the Top 100 from the week of the chart battle
Two acts who are worlds apart (literally) found themselves battling for Number 1 on the Official Singles Chart in December 2000. On one side, Eminem's chilling Stan, on the other, the theme song from kids TV show Bob The Builder Can We Fix It?.
After a close race all week, Eminem finished ahead of Bob - but by less than 10,000 copies. Bob would later have the sweet taste of victory himself, topping the chart the following week for three weeks - even keeping Westlife's What Makes A Man from Number 1.