She told E! News: "You guys will have to wait and see. I'm the biggest at top secrets. I've had this single ["We Can't Stop"] ready for about a year, and I've had to keep my lips sealed and just not saying anything. So you'll see."
Bieber is currently working on new music and is known for teaming up with some of the hottest names in music, so it's no stretch that he and Miley may be work...
According to People magazine, Kristen had planned a big party for Robert's 27th birthday last week, but he wanted nothing to do with it.
Neither of the stars' reps have commented on the story, and a source tells People that it wouldn't be surprising if they ended up back together once again.
Last summer Stewart was photographed making out with Snow White and the Huntsman director Rupert Sanders, which led the couple to split. They reconciled two months later aft...