Stepfather showering with toddler: Is she being sexually abused?

by Name Withheld
(USA)

I have a 2 1/2-year-old stepdaughter who told me the other day that her and her stepdad take showers together. Is there something wrong with this? My husband (her father) is very angry about it and the stepfather has admitted he has been taking showers with her for the past year and half. The mother and him just married less than 2 months ago, and he wasn't supposed to be staying in the home until they were married. I feel there is something wrong with this. This person is VERY sexually active and is involved in the swingers community. He enjoys pornography as well.

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