The upbeat dance-pop and house rhythm behind the track was entirely sampled from electronic artist Deadmau5's "Brazil (2nd Edit)" (released two years prior to "Happiness").

An accompanying music video, directed by Aggressive, sees Jordan and her love interest meeting, separating and making up.

The Dave Audé Club Mix was the official song of the 2011 FIFA Women's World Cup in Germany.

After being eliminated from the first season of America's Got Talent in 2006, Jordan began posting videos of herself singing cover songs on YouTube, of which she later became a viral sensation for.

[1][2] The song has a "simple, pleasant melody" and has been described as an "upbeat track tinged with full good electronica".

[9] Andrew Butler of Pink Paper magazine was impressed with the song, stating "It really does make you feel happy, through a mixture of its fabulously put together lyrics, infectious humming and danceable tunes".

[16] In the United Kingdom, the song debuted, and peaked, at number three on the UK Singles Chart for the week ending November 13, 2010.

The storyline of the video begins with Jordan dropping off her boyfriend (portrayed by Tom Williamson) at a bus stop, as they appear to be breaking up.

[27] She is seen sitting in the backseat of her orange AMC Pacer, and starts to sing the song's first verse, just as the wind begins to pick up, sliding her car and the bus stop, where her boyfriend is at, in opposite directions.

It is intercut with other scenes, including Jordan dancing with four other back-up dancers at a swimming pool, a man reading a newspaper while holding a Dalmatian dog by its leash, and also a woman with a few shopping bags.

[28] MTV's Chris Ryan said "the video has a real "Can't Get You Out of My Head"/altered reality vibe to it, with everyday scenes played out with a dreamlike quality".