"World of Our Own" is the second single released from Westlife's third studio album, of the same name. The song peaked at #1 on the UK Singles Chart, becoming their 10th number one single - making them a part of a small group of artists in British chart history to achieve this feat. The song's popularity peaked when it was featured in the children's feature film, You Wish!.

"World of Our Own" was the 40th best selling single of 2002 in the UK, and received a Silver sales certification in the UK for over 200,000 copies sold.

The video of this song is Rat Pack styled. The band members are dressed up as gangsters and they enter in an American Jeep. Until the first chorus, the band members sing beneath a bridge. Then, they go to the balcony of a futurisitc building then on a deserted bridge. As they sing, the darkness lifts and the sun shines making everybody (the people) happy. The song ends with the scene shifting from the top of the roof of yet another futuristic building to back under the bridge from where the song initiated.

There is a video for the US version of the song as well, this one being a bit mature and deviating from the band's earlier innocent-type videos. The video features the band singing in an abandoned building with broken walls and surrounded by shrubbery. The video occasionally cuts to various couples kissing and necking each other while the band continue to sing in the building equipped with mics and seating on sofas. The video also shows the boys having fun at a party lit by candles, drinking beer and flirting with girls. The video ends in the same fashion it begins: by zooming out of the building.

Another video features the boys recording the song in a studio.

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