4 week Buff Orpington; Hen or Roo?

[Riverchicken123]

I have a 4 week old Buff Orpington chick. I was wondering if it is a hen or a rooster, because she seems to have a big chest, but that might just be her breed.
Here are pics:

 

[lightchick]

Looks like a pullet. What a cutie!

 

[BantamLover21]

Looks like a pullet to me.

 

[Cyan Night]

Looks like a pullet.  What a cutie!

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