Here's what everybody's talking about today:
Taylor Swift and Jennifer Lopez are planning to collaborate on a new song for JLo's upcoming album.
By the way, Joe Jonas went on "Fashion Police" and told Joan Rivers that he was the one that dumped Taylor.
Bruno Mars was announced as the headliner for the Super Bowl half-time show, but not everybody is happy about it.
Lady Gaga performed "Somewhere Over the Rainbow" on "Good Morning America" this morning. Then she ditched her Dorothy outfit and sang "Applause."
Miley Cyrus went on German TV to perform "We Can't Stop" with a band comprised of little people.
Speaking of Anna Wintour, here she is sitting with David Beckham and his daughter Harper at Victoria Beckham's Fashion Week show.
Britney Spears is filming a video for a song called "Work Bitch," and from the looks of these preview pictures she released, the wardrobe budget is minuscule.
A lot of people went to see "World War Z," so Brad Pitt is considering a sequel.
And finally, Christina Aguilera told the Associated Press that she doesn't work out like crazy, despite her slimmer figure.