Full Britney Spears mode is activated 😍 Come behind-the-scenes with us to see #Strictly bring this Pop Princess inspired routine to life ✨ | BBC

On October 24, 2009 Britney's "3" became her third No. 1 hit on the Billboard 100, joining her debut single "...Baby One More Time" and "Womanizer." | Britney Spears

Happy 27th anniversary to the song that started it all, "…Baby One More Time." 🩷 | Britney Spears