She came over to our table with my work associates and was hanging all over me. I was embarrassed, what should I have done?

I was having an affair with a runway model who was married and had sex with her a few times. She was modeling at a large restaurant, and saw me with my work associates, and came over and was hanging all over me, and I did not know how to handle that, as it had never happened before. I told her she should be modeling the clothes and should not hang around my table. WHAT SHOULD I have done?

She came over to our table with my work associates and was hanging all over me. I was embarrassed, what should I have done?
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