Jackie Chan launches China Olympic song

Jackie Chan attends press conference for the Olympic Theme song 'Beijing Bless You' on July 22, 2012 in Beijing, China.

Jackie Chan attends press conference for the Olympic Theme song "Beijing Bless You" on July 22, 2012 in Beijing, China.

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International film star Jackie Chan was at his playful and patriotic best on Saturday in Beijing, as he helped launch China's official Olympic song "Best Wishes From Beijing." It's a follow up to "Beijing Welcomes You", the theme song for the 2008 summer Olympic games.

"Best Wishes From Beijing" features more than 100 singers and movie stars from Hong Kong, Taiwan and the Chinese mainland, including actress Zhang Ziyi, Gong Li and pianist Lang Lang.

Stars appear at iconic landmarks around Beijing in the music video, from old hutong alleyways to the grand and ancient Forbidden City.

Jackie Chan said celebs were desperate to get their chance to play a part in the song.

Chan said, "Friendship, peace , unity and harmony? Our world today needs harmony. Not only in China, but the whole world needs it."

One star in attendance was former Miss World China model Zhang Zilin.

Zhang said, "We feel so proud for Beijing from the first "Beijing Welcomes You" song to today. We hope that Beijing can continue to improve and we wish good luck to the Chinese athletes competing in London."

The London Olympics begins on July 27th in Stratford in East London.