Los Angeles, Feb. 11 -- Pop star Demi Lovato has announced the cancellation of several upcoming tour dates, citing the need to prioritise her health and ensure she can deliver her best performance throughout the tour.

The 'Heart Attack' singer shared the update with fans known as Lovatics via her Instagram story on Tuesday, expressing both excitement about returning to the stage and regret over the adjustments.

She penned, "To protect my health, and ensure I can give you my all at each show. I need to build in more time to rest and rehearse and ultimately adjust to a schedule with some more time off that will allow me to handle the entire run of the tour.

"Charlotte, Nashville, Atlanta, Las Vegas, and Denver - I am so sad to say that I w...