Unusual celebrity baby names

Published On: May 25 2011 03:07:45 PM CDT   Updated On: Aug 22 2014 12:05:49 PM CDT

What do the words River Rose and North West have in common? They're both unusual names given to the children of famous celebrities -- and they're not alone.

Sean Penn - celeb baby names
21 / 46
Lisi Niesner/Reuters

Sean Penn and his ex-wife, Robin Wright Penn, named their son Hopper, and daughter Dylan.

Upload Photos / Videos