Ariana Grande looking sad at Good Morning America after her grandpa passing

Fabulously spotting Ariana Grande not looking so happy at Good Morning America but giving high Five to Ryan Secreast while promoting promoting summer's hottest 2 day iHeart Radio Music Awards Festival in September in New York City. Ariana's grandfather had just passed away recently and Robin gave her a hug. Ariana said on twitter that only reason she made this appearance was because her grandpa told her that he wanted her to always be professional & honor her business commitments. RIP grandpa grande Ariana Grande iHeartRadio Music Awards, @ArianaGrande and @RyanSeacrest on @GMA revealed @iHeartRadio Music Festival 2014 LINEUP @TaylorSwift13, @ZacBrownBand, @EricChurch New York City Recently hers and Jennette McCurdy's comedy Sam and Cat got cancelled by Nickelodeon after only one season.