WATCH: Did Demi Lovato Take a Jab at Selena Gomez on Live TV?

Demi Lovato and Selena Gomez arrive at the 2011 MTV Video Music Awards
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Guess the friendship really has gone sour!

On Thursday night, Demi Lovato took a seat on the Watch What Happens Live couch (next to Jessica Alba, no less) to play host Andy Cohen's "Plead the Fifth" game, in which Cohen asked about her BFF-no-more, Selena Gomez.

"You recently unfollowed your BFF Selena Gomez on Twitter. So much speculation about this. Can you tell us why?" Cohen asked.

Watch Lovato's response in the video below: