My Mistress Wife & i went to Her Christmas party last night, She was wearing a short black dress, sheer black pantyhose and black stilettos. Mistress was enjoying the night with plenty of drinks and dancing. Mistress allowed me to dance with Her a few times, but mostly danced with other girls from Her work. As the night drew on it was obvious She was attracting the attention of other guys and She was happy to flirt with them, at the end of the night a slow song came on and as the couples paired off i saw Her stood alone on the dance floor, i walked over for a slow dance with my Wife, but when i got there i couldn't see Her, i stood in the middle looking for Her and then noticed She was dancing with a guy nearby. I walked over and stood next to them, they both looked at me and carried on dancing very close, after being stood next to them for 30 seconds She beckoned me over and in a voice the other guy could hear She said 'can't you see i'm busy?, go outside and wait for me' i stood for a second and She said 'do you need telling twice' to which i replied 'no' She then said 'no what', i bowed my head a little and said 'no Mistress' to which they both laughed. I walked away and stood outside as i'd been told, twenty minutes later my Wife came out alone, She took my hand and put it under Her dress, Her pantyhose was rippped open at the crotch and Her panties were soaking. She looked me in the eye and said 'dont ever show me up like that again, do you understand' i replied 'yes Mistress'. As i drove us home her cell phone bleeped a message and Mistress giggled, 'looks like i have another real man in my life'.