描述一位歌壇天后，打算要在演唱會宣佈，與她同樣也是歌手的未婚夫兩人結婚的消息時，卻被八卦雜誌爆出對方出軌的消息。而氣憤難平的她，毅然衝動的在舞台上隨便點名了台下某一位男子，並向他求婚。這賭氣的作為，也讓這段意外插曲，促成兩人發展成一段陰錯陽差的戀情關係。

Music superstars Kat Valdez and Bastian are getting married before a global audience of fans. But when Kat learns, seconds before her vows, that Bastian has been unfaithful, she decides to marry Charlie, a stranger in the crowd, instead.