1. Billie Joe Armstrong from Green Day.
Then: Spiky blonde hair.
Now: Spiky black hair.
2. Shirley Manson from Garbage.
Now: Red hair.
Then: Pink hair.
3. Courtney Love from Hole.
4. Billy Corgan from Smashing Pumpkins.
Then: Singing loudly with eyes closed.
Now: Well, nothing much has changed.
5. Anthony Kiedis from Red Hot Chilli Peppers.
Then: Long hair, don't care.
Now: Short hair, cool mustache.
6. Dexter Holland from Offspring.
Then: Blonde hair, black t-shirt.
Now: Blonde hair, black button up shirt.
7. Brody Dalle from The Distillers.
Then: Animal print pants.
Now: Animal print shirt.
8. Rivers Cuomo from Weezer.
Then: Double shirt, nerdy look.
Now: Perfect suit, nerdy look.
9. Polly Jean Harvey from PJ Harvey.
Then: Goddess.
Now: Goddess.
13. Dolores O'Riordan from The Cranberries.
14. Trent Reznor from NIN.
15. Alanis Morissette.
Then: Perfect hair.
Now: Even more perfect hair.
16. Micheal Stipe from R.E.M.
Then: Stubble.
Now: Santa beard.
17. John Rzeznik from Goo Goo Dolls.
Then: Silver hoops, silver chain.
Now: Silver hoop, silver chain.
18. Daniel Johns from Silverchair.
Then: Little boy.
Now: Grown adult.
19. Fiona Apple
20. Eddie Vedder from Pearl Jam.
Then: Long hair and sweaty t-shirt.
Now: Short hair and a suit.
21. Beck Hansen from Beck.
Then: Good hair.
Now: Grat hair.