Does Justin Bieber Have A Song On Britney Spears' Glory?!

This will be glorious if it ends up being true!
We're still about a week and half away from being treated to Britney Spears' ninth studio album Glory, which means it's time to face the music: This very well could be her best album yet!
That's because in addition to hits like Make Me..., Private Show, and Clumsy, we're hearing a rumor that BS9 could have song featuring none other than Justin Bieber!!!
Related: Selena Gomez SLAMS Justin's Feud With His Fans!
According to the Britney Army, BritBrit