You may kiss the bride

Clary and jace were inseparable
He loved her with every bone in his body, but when kaelie forces her drunken self onto jace at one of magnus banes famous house parties clary is heartbroken. She did the only thing she could do to try and prevent the ache in her chest at the betrayal and goes to live with her aunt tessa so he can't find her. She can't believe she had ever trusted him to stay faithful to her. To believe that he loved her as much as she does him. She would quite happily never see the boy again but how can she continue to avoid him when her two best friends are getting married, and one of them is his sister...

This is going to be quite short guys maybe only a few long chapters