Ariana Grande said a tearful goodbye to the last remaining members of her team on season 21 semifinals on Tuesday.The first-time coach will be without a competitor in next week's finale, after the Top 8 was whittled down to the Top 5 performers, and father-son duo Jim and Sasha Allen were officially eliminated from the competition.«Tuesdays are the worst days, ever,» Ari said through tears as she shared her last message with her team following the Instant Save.«I think the best gift of this