My daughter is 3 and a half months old ...is it safe to expose her to a child who has chicken pox?

she is breastfed, my husband and i havent had chicken pox yet...we have been invited to a party is it safe to take her there where she would be exposed to the infected child? i have heard that breastfed babies have a v strong immune system and dont get them easily..pls let me know..thanks :)