Fiancés female friend didn’t invite me to her party?

My fiance has a female friend who he knows from work. She knows about me and has met me before. She invited my fiance to a party she’s holding at her house for friends and coworkers but she didn’t invite me. I’m pretty offended. Should I tell him he can go or ask him not to?

Fiancés female friend didn’t invite me to her party?
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