Chris could've been huge, but his personality sucks and so does his behavior. Glad he got exposed sooner or later.
Nobody is worried about JT. 20/20 era went quick and is already forgotten. If he comes back I think he'll underperform.
Ed, Sam, Bruno, and Adam Levine (Maroon 5, but nobody knows the other 4 members) are the Pop Males that'll have constant success this decade.