Hilary Duff is helping to raise funds for Holocaust ... While Koma has declared all proceeds of his t-shirt will go to the charity, TMZ reports he has vowed to match donations dollar for dollar ...

Hilary Duff and her husband ... with an estimated $18,000 already donated through The Blue Card's website, TMZ said. Pearl also noted that the publicity from Koma's Instagram post has drawn ...

Hilary Duff and her husband Matthew Koma are changing the lives of Holocaust survivors ... 'cause the money from "F*** Ye" T-shirts they're selling is going to help survivors get mental health ...

Hilary Duff's husband, musician Matthew Koma ... The Blue Card executive director Masha Pearl said in an interview with TMZ that she was thrilled to see the support from Koma and Duff.

Hilary Duff and Matthew Koma are using fashion to take ... utilizing fashion to get the word out there,” she told TMZ. “They learned about The Blue Card on their own and basically reached ...