Update, as reported by Billboard:
"Contrary to previous reports, a source close to the situation now tells Billboard that the "Wake Me Up" star is still in the hospital....The reason for his hospital visit is unclear, however earlier Friday Avicii's rep told Billboard that he is "doing better" and "going to be fine."
To read the whole story, click here.
As reported by TMZ:
"Avicii won't be hitting the stage tonight in Miami -- the superstar DJ has been hospitalized ... TMZ has learned. Avicii was supposed to do a show at Hyde Beach at the SLS Hotel in Miami Beach ... but less than an hour ago DJ Cassette told the crowd he was in a hospital. It's unclear right now what's wrong with Avicii."
Since the original story appeared there are reports that Avicii has already been discharged from the hospital with causes unknown. Hopefully this is nothing serious and that Avicii will be healthy enough to play at the Ultra Music Festival this weekend. Get well soon Tim.