Unusual celebrity baby names

Published On: May 25 2011 03:07:45 PM CDT   Updated On: Jun 16 2014 11:01:09 AM 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
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Lisi Niesner/Reuters

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

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