The OnePlus Music Festival was announced last month and today the company unveiled that the event will be headlined by Katy Perry. This will be her first performance in Mumbai - the festival will be held at the DY Patil Stadium on November 19. More artists will be announced soon - you can keep an eye on the official page. Rumors are swirling that Dua Lipa will be participating, but that is yet to be confirmed. Previously, OnePlus worked with Emily Ratajkowski to promote its phones (especially in North America) and more recently shot a promo campaign for the OnePlus 7 Pro with Robert...