"Upside Down" is a song by Motown legend Diana Ross. It was the first single taken from her 1980 album "Diana" and hit number one on the Billboard Hot 100 on September 6, 1980. The single was also a big hit internationally, reaching #2 in the UK.

"Upside Down" is a song written and played by Jack Johnson. It is the first track on the album Sing-A-Longs and Lullabies for the Film Curious George, which was released in February 2006. It was also released as a single in February 2006. It hit #38 on the Billboard Hot 100 and is currently Johnson's sole US Top 40 hit.

Upside Down was A*Teens' first single from their second album Teen Spirit. After the intense promotion in the United States in 2000 the band went back to studio to start working on their second album. It was the first time they released an original song and not a cover, It was produced by the hit makers Grizzly and Tysper.

The single reached Platinum on its 3rd week of release in their homeland and by early 2001, "Upside Down" had sold over 120,000 copies in Sweden earning a 2x Platinum Certification

"Upside Down" had a name change in the United States and Canada to "Bouncing Off The Ceiling (Upside Down)". The song reached number ninety-three on the Billboard Hot 100 and reached number thirty-three on Airplay alone, the physical single reached number-six on the Billboard Hot 100 Single Sales Chart earning a Gold Certification selling over 500,000 copies.

"Upside Down" became the band's biggest hit in the UK, selling 3,711 copies on its first day peaking at number-ten by the end of the week. The song received 8/10 Stars on UK Yahoo Music Reviews

"Upside Down" reached number-seven on the Global Chart in 2001, making it their only Global Top 10 Single it also reached number-eighteen on the World Chart Show in 2001.

This song became the A*Teens' biggest hit to date.