Grammy award winning singer Adele got emotional as her comeback single Hello debuted on the radio on Friday morning. The 27-year-old star appeared on the BBC Radio 1 Breakfast Show to promote the new release and said she felt ‘sick’ and anxious about the first airing of the track, reports femalefirst.co.uk. Speaking shortly before the song was played, she said, “I obviously want people to like it. When I wrote it I knew this would be the first thing everyone heard from me.”