11
He was 16 years old.
I was about 15 or 16.
The Jonas brothers were about 10 or 11.
when he was 16 years old
Joseph Adam Jonas (joe Jonas) called his old hair dew the JOE-HAWK
Joe Jonas was six years old in 1995.
Joe jonas is 22 years old ( august 1989)
He says he was 14 when he had his first kiss!
I believe Joe Jonas was 16 years old BELIEVE IT OR NOT
Nick was 13. Joe was 16. Kevin was 19.
Joe Jonas will be 22 years old in 2011 and 23 in 2012 (:
10 years old he wrote his first song.