Are Robert Pattinson and FKA Twigs engaged?

Are Robert Pattinson and FKA Twigs engaged?, Singer T-Pain might have just let a huge secret out of the bag.
Then again, maybe not. After the interview began making the media rounds, T-Pain later tweeted that it was all an April Fool's joke. People Magazine, though, reported that T-Pain was basically trying to cover his tracks and that the couple...