"Sitting on Top of the World" is a song by Australian pop singer and songwriter Delta Goodrem.

[1] Brad Stern wrote for an MTV Buzzworthy article that the song is "a swoon-filled, carefree pop ditty.

[5] It was certified double platinum by the Australian Recording Industry Association (ARIA) for shipments of 140,000 copies.

A striking similarity between "Sitting on Top of the World" and Arcade Fire's song "Rebellion (Lies)" was noted by some in the Australian media.

[8] The video features Goodrem and a lot of dancers twirling around in a giant field like fanciful forest creatures while holding balloons.

[1] Brad Stern from MTV News wrote that the video "is equally amazing, featuring Goodrem and a troupe of happy-go-lucky ladies and gents dancing around with balloons in hands.

[9][10] The singer made several instore appearances to promote the single in Melbourne, Newcastle, Sydney and Queensland.