A source previously told PEOPLE that Perry's stress over the reception of '143' had put a strain on their relationship

A second source also tells the publication that Katy is allegedly focusing on her current tour as her main priority at the moment. "This comeback means a lot to her. She wants to give fans the best show,

Katy Perry and Orlando Bloom’s friends are unsure whether the on-off couple have “permanently split” amid the stars’ latest time-out on their six-year engagement.