Music News Ariana Grande impresses with Whitney Houston cover on 'Greatest Hits' 08/05/2016 Ariana Grande gave an impressive cover on Thursday's episode of ABC's "Greatest Hits." Read More RELATED NEWS Kaitlyn Bristowe calls Jason Tartick out for being "mean and pathetic"Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second child TAGS: Adam Lambert Ariana Grande Whitney Houston John Legend Celine Dion Queen of the Night
