Why is my 7yr old trying to show her privates to other kids?

[my3kidsmom12]

My daughter's 1st grade teacher called today to inform me that my 7yr old has been caught unzipping her pants to show a boy her front bottom, kissing boys on the playground and lifting her skirt in front of the entire class. She has a brother and knows the difference between girls and boys, and that it's wrong to do the things she's been doing. So my question is, What is the next step? What do I need to say to my daughter that I haven't already? I don't want to give more information to her than neccessary, but I want to say enough.

[coco pops]

Maybe you have said enough already. Wait and see if anything like that happens again. Did you never play "chase and kiss the boys" in the playground? Your daughter might think she can make more friends by being shocking .
To me the most worrying thing about her behaviour is exposing her bottom , you have told her that behaviour is not acceptable wait and see . You could ask if she was copying another child or adult?