Fin and Elliot spent a week thinking of a way to catch John and Olivia in the act and as God would have it there was a Christmas ball for the NYPD.

"Hey Liv?" Elliot asked trying not to laugh.

"Yeah?"

"Do you want to go to the Christmas ball with me?"

"Uhh….uh…" Olivia stammered, looking over to John who just sat there baffled.

"I know you're not going with one and since the divorce I have no one to go with so I just thought we'd go together" Fin sat there an evil grin on his face.

"Uhh…I don't know?" Olivia said looking to John.

"Come on…" Elliot insisted.

"I guess" Olivia said sighing.

"Okay" Elliot smiled. John got up and walked away. Olivia got up a minute later and went into the direction where she knew John would be.

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"John" Olivia said softly walking over to him.

"Why didn't you just tell him?" John turned to look at her.

"Why didn't you?" Olivia countered.

"I'm sorry…What are we going to do now?" John asked pulling Olivia into a hug.

"I don't know…should we tell them?"

"No…just go on the date"

"It's not a date John" Olivia smiled and kissed John.

"We'll just have to see what happens" John said giving Olivia a kiss.