On our radar: Britney Spears walks off 'X-Factor' set, Camila McConaughey debuts baby bump, and more

"X Factor" news is starting to heat up -- at least when it comes to the Fox competition show's new judges, pop sensations Britney Spears and Demi Lovato. Certain contestants have reportedly gotten both stars all fired up. A man dressed in drag performed a tribute to Spears, singing "(You Drive Me) Crazy" during the auditions in Greensboro, N.C., Monday. Spears's reaction? She walked off set. Meanwhile, Lovato wasn't shy to let a couple of rappers, whose lyrics focused on doing drugs, have a piece of her mind. According to E! News, a source told the entertainment publication that Lovato said it's "irresponsible to be rapping about drugs in front of kids." The show premieres in September. Read more at E!.

However, "The X Factor" doesn't appear to be all drama, at this point anyway. Spears was also caught on camera getting down to a contestant's version of Vanilla Ice's "Ice Ice Baby." Wouldn't you get down to that? Watch below.

In baby watch news ... Matthew McConaughey's wife Camila Alves has debuted her baby bump. The Brazilian model and her husband, who's starring in the recently released movie "Magic Mike," are expecting their third child. The couple are parents to daughter Vida and son Levi.

In the rumor mill ... "Modern Family" star Sofia Vergara is possibly engaged. While People magazine is reporting the actress and her boyfriend, Nick Loeb, went to Mexico to celebrate Vergara's 40th birthday, it's not clear whether reports of the actress's engagement are true. Various sources are telling the magazine different stories. We'll just have to keep waiting for official word from Vergara. Read more at People magazine.