The phrase comes from Rihanna's 2012 single Diamonds, where the chorus repeats shine bright like a diamond as a metaphor for inner light and resilience. Written by Sia and produced by Benny Blanco and Stargate, the song became a global hit and the line outlived the chart run as a standalone meme audio. Short phonetic and sped up versions circulate on TikTok, YouTube Shorts and soundboards, often typed in playful misspellings, and are reused for transformations, luxury jokes and sparkle edits.