Orlando Bloom and Katy Perry's relationship is more "serious" than ever.<br /><br />The couple rekindled their romance after a year apart, and it looks like distance made their hearts grow fonder as they are much "stronger" after their break.<br /><br />A source revealed the pair are dating exclusively again and things seem more serious.<br /><br />They even spent the weekend in Rome with Katy's mother, Mary Hudson, where the ‘Roar’ singer described her boyfriend as her ‘darling’ in a video.<br /><br />It looks like there isn’t just a spark in their romance but, as Katy would say, a ‘Firework’.
