The line comes from the start of Britney Spears' 2007 single Gimme More, produced as her comeback era opener for the album Blackout. Spears whispers the introduction before the beat drops, and the phrase It's Britney Bitch quickly became one of her signature catchphrases, printed on merchandise and quoted across pop culture. Online, the short intro was clipped for soundboards and video edits, where its instant recognition made it perfect for entrances and reveals. It remains popular because it captures her star persona in a single, memorable second.