What is the one that got away?

"The One That Got Away" is a popular song by American singer Katy Perry from her 2010 album, Teenage Dream. The song was released as the sixth single from the album in October 2011. It is a pop ballad that deals with themes of nostalgia and regret, focusing on reminiscences about a past relationship that ended prematurely. The lyrics convey a sense of longing for a person who was significant but ultimately left behind, symbolizing "the one that got away."

The song received positive reviews from music critics, who praised its lyrical content and Perry's vocal performance. It achieved commercial success, charting in multiple countries and being certified multi-platinum in various regions.

Katy Perry also released a music video for the track, which further explores the theme of lost love by depicting an older woman reminiscing about a youthful romance that ended tragically. The visuals enhance the song's emotional impact by illustrating the narrative of love, loss, and reflection.

In addition to its commercial and critical success, "The One That Got Away" resonated with many listeners, becoming one of Perry's memorable hits with its relatable theme of looking back on past relationships with a sense of what could have been.