±±¾©Èü³µpk10

Disney's in-house effort to mark its acquisition of 'Star Wars' producer LucasFilm has been shared 244,922 times in the past seven days, bringing its all-time share total to just under 312,000 in nine days.

The most shared ad, with 524,745 shares across Facebook, Twitter and the blogosphere, sees Middle Earth take over the in-flight safety video for Air New Zealand.

The video, created in-house in collaboration with Weta Workshop, features a cameo from director of Lord of the Rings and the upcoming Hobbit movie, Peter Jackson.

Meanwhile, last-minute sharing of US political ads see efforts from both sides enter the charts.

An ad for re-elected President Barack Obama, starring Will Ferrell is the fifth most shared, trailing behind an ad for the Romney-Ryan campaign in third.

Justin Bieber also made the chart, with an ad made by BBH LA for his 'Girlfriend' fragrance, in sixth place, whilst British boyband One Direction made ninth place with an extended ad for Pepsi, by TBWA\Chiat\Day.

To view the most-shared viral ads from previous weeks, visit the .

The chart, , ranks ads according to the number of times they have been shared on Facebook, Twitter and the blogosphere.

Ads launched more than 30-days ago are not included.

All time: 449,160 shares