My fiancé hid his debt before the wedding

I have my wedding in two months with my fiancé. Today I found out that three months ago, he took on a serious debt, but he never told me. Now he said he can’t help with the wedding expenses because of that debt. I have to bear the financial burden all by myself, and I’m really hurt because he didn’t tell me this upfront and kept it a secret. I love him, but my trust has been shaken. Please give me advice on how to proceed in this situation.