1. Beck


Beck at age 28 on the cover of his album Mutations in 1998, and Beck performing live at the age of 43 in 2013.
2. Pharrell


Pharell Williams at 30 in 2003, and at 40 in 2013.
3. Gwen Stefani


Gwen at 28 in 1999, and at 43 in 2013.
4. Gavin Rossdale of Bush


Gavin at 31 in 1996 at the peak of Bush's popularity, and at 48 in 2013.
5. Beyoncé


Beyoncé at 21 in 2003, and looking more or less exactly the same at 31 in 2013.
6. Jay Z


Hova at 27 in 1997, and at 43 in 2013.
7. PJ Harvey


PJ Harvey in the early days of her career at 23 in 1994, and performing on her Let England Shake tour in 2012 at 42.
8. Shirley Manson of Garbage


Shirley Manson at 30 in 1996, right when Garbage hit the big time, and performing in 2012 at 45. Somehow she actually looks younger?
9. Stephen Malkmus of Pavement


Malkmus at 28 in the video for Pavement's "Range Life" in 1994, and being interviewed at 46 in 2012.
10. Shania Twain


Shania at the peak of her fame at 33 in 1999, and looking remarkably similar in 2013 at 47.
11. Jonny Greenwood of Radiohead


Jonny and his moppy hair at 24 in 1995, and at 40 in 2012.
12. Common


Common at 29 in 2001, and at 41 in 2013.
13. Shakira


Shakira at 28 in 2005, and at 36 in 2013.