Mika's music video for "Happy Ending" features bright visuals and lyrics that are in harmony with the upbeat song. As the song's pace increases from slow to fast, the visuals get brighter and happier to match the title and show Mika becoming more engaged. Mika is the only person featured and works well with the camera through close-ups and gazes, drawing the audience in. The pop genre video and style aim to appeal to young people and teenagers through its use of happy, colorful imagery and lyrics.