Celine sidelined by sore throat

Caesars Palace headliner Celine Dion has cancelled five shows due to a sinus infection that turned into severe swelling of her vocal cords, it was learned Friday.

She last performed on Tuesday. She is scheduled to return August 8.

Dion’s doctor ordered her to take off seven consecutive days, according to our source.

Dion had just returned from a three-week break.

No official announcement of her cancellation has been made.