In some cases it's a welcomed return. How brilliant have Take That been since their comeback? Answer - very. But there are some faces we're less than excited about seeing again. Yes, Timmy Mallett, we're talking about you.
We've dug out clips of some of the most entertaining kings of comeback.
Click on a name below to watch our now and then videos.
- Wolf from Gladiators
- Timmy Mallett
- Take That
- Jason Donovan