Demi Lovato tweeted her excitement over meeting President Barack Obama. Demi Lovato met the president of the United States on Sunday and couldn't hold back her excitement.

Simon Cowell is considered a brainchild for more reasons than one and now "The X Factor" fans know why. Cowell offered not one, but two surprise twists in Thursday's elimination episode of "The X Factor." Last week, the show was left with the Top 12 and unexpectedly Cowell shocked viewers and the live audience when he announced that the judges realized they made a mistake and would return a contestant who was booted last week. "We watched the show back and the final 12 we're very happy with, but we believe we made a mistake with one act," said Cowell.In case the crowd misunderstood Cowell, the show's host Mario Lopez added, "We had 12 acts and now apparently we have 13...Welcome the 13 finalists!"

The quest for best hit singing competition show has heated up. "The Voice" mentor Christina Aguilera called her talent show rival, "The X Factor USA" judge Simon Cowell a "d*ck.""I've not actually seen a full episode of any of the other music shows," Aguilera admitted. "I saw the commercials early on of 'American Idol' of Simon being a d*ck. I was like, 'Man, that's not what it's about!"

The episode "The X Factor" Top 16 one-hour special was rebroadcast in its entirety on Tuesday, Oct.23. After Fox threw the hit reality singing competition show a curveball-the network preempted the special by only showing only of half Episode 11, fans were able to see a rebroadcast to learn which of their favorite acts made the final cut Top 16 contestants. Episode 11 featured the big reveal at Judges' Homes for their respective categories- Britney Spears' Teens, L.A. Reid's Over 25s, Demi Lovato's Young Adults, and Simon Cowell's Groups.