Ciara Bravo plays 10 year old Katie but in real life she is actually 14 years old.
In the show Katie is 11 or 12.
Katie is Kendall's 12 year old younger sister.
The boys from big time rush are in their early 20s
Katie's real name is Ciara Bravo. She was born on March, 18th, 1997. That means she turned 15 this year.
Carlos Pena from big time rush is 22 in 2012
Ciara bravo plays Kadie Knight in big time rush and is 9 years old
21
He is 21
he is 21 years old.
no and they are in ther 20s
31
No,they are very young.
10