Crochet Toddler Dress

My daughter wore this last year for the 4th of July, dress has not been washed, has been hanging in closet. Has a small stain, shown in 3rd picture, I'm sure if gently washed it will come out, stain is hardly noticeable. I crocheted this dress using acrylic Caron party yarn. Dress is approximately size 2t-3t(based on the size my daughter's clothes were) comes from a pet & smoke free home