Rihanna's fans have been left stunned after discovering the hidden meaning behind her iconic song, SOS. The track, which landed Rihanna in the number one spot in the charts, was released 18 years ago and has since become a party playlist staple.

Rihanna fans are 'shocked' after only just finding out what the lyrics in one of her first hits SOS mean. When artists talk about the ways in which they go about writing songs, there seems to be a million different ways a hit can be born. Some sit at a piano until the words just flow, others reflect heavily on past experiences.

In a new clip posted Tuesday from a recent interview with Behind the Wall, songwriter Evan "Kidd" Bogart - who composed the song's lyrics with Edward Cobb and Jonathan Rotem - revealed an Easter egg hidden in the 2006 hit's second verse that he says has gone unnoticed by listeners for nearly 20 years.

Rihanna, the Barbadian superstar, has undeniably made her mark on the music industry with a staggering 14 number-one hits and 32 top-ten songs on the

Grammy award-winning songwriter Evan "Kidd" Bogart recently revealed Rihanna's 2006 massive hit track "SOS" hides several Eighties references in plain sight. During an Oct. 11 interview with Daniel Wall on the Behind the Wall podcast,

Rihanna's 2006 hit single, "SOS," became a defining moment in her career, catapulting her to global stardom. With its infectious dance-pop beat and sampling of Soft Cell's iconic 1981 track "Tainted Love,