Complex sentence: Leona Lewis, Axwell and E.M.D has been amongst the judges of the series also Britney Spears appeared in a video message to the finalists in the Girls category.
Split into simpler sentences: Leona Lewis, Axwell and E.M.D were guest judges of the series at one point. Also, Britney Spears appeared in a video message to the finalists in the Girls category.