A/N: Thanks to my wonderful beta, who just gets me!
Disclaimer: We all know the drill here; I won't insult you by saying it again.
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"How could I let you talk me into this?" he shouted from the bathroom.
"It's just a little makeup. Stop being such a baby," Lindsay called back. She pulled the white dress down over her head and ran her hands over it to smooth it out on her body. She stepped into the bathroom where Flack was putting the finishing touches on his costume and smiled. "Besides, I have a lot more makeup to put on than you do, so quit complaining."
Flack looked over at her, standing in the doorway with her arms crossed in front of her chest. Her white dress flowed all the way to the floor and the smooth material hugged her small frame gently.
"Wow. You look…heavenly."
"Cute." She rolled her eyes. "You look pretty good yourself."
Flack looked back in the mirror, still trying to figure out how to get the eyeliner to work in his favor. With a frustrated sigh, he turned back to Lindsay. "Linds, I'm a guy. We don't wear makeup, no matter how good it makes our costumes look. It's just not right."
She laughed and took the pencil from his hand and perched on the edge of the counter in front of him. "Here, let me." She tugged on the front of his shirt and pulled him closer. He stepped forward, leaning down and resting his hands on either side of her on the counter top. He studied her face closely as she took special care to get the dark liner just right around his eyes.
When she was finished, she put the pencil back in the basket on the counter and smiled. "Have a look."
Flack raised an eyebrow as he stood straight to look in the mirror. He shook his head and laughed. "How did you do that? I've been trying to do that for the last 10 minutes."
"I'm a woman, Don. We can do these things."
He looked at himself critically in the mirror once more, adjusting his shirt and running his fingers through his hair. "Gotta say, the costume does look pretty complete."
Lindsay hooked her leg around his and pulled him back toward her. "My devil in disguise."
Flack bent down to kiss her, lightly tangling his fingers in her hair and sighing at the way his heart pounded when she fisted the front of his shirt. "I'm not so sure you're a perfect angel."
"Who says I wanted to be. It's only my façade for tonight," she winked as she pushed him back and slid off the counter. She turned around and looked in the mirror as she picked up a mascara brush. She could see Flack behind her, still watching her. She met his eyes in his reflection and raised an eyebrow. "What?"
"Nothin'." He smiled and left the bathroom, heading off to the bedroom to find the rest of his costume.
Fifteen minutes later, Lindsay had put on her makeup and pinned her hair back on one side. She put on a pair of white heels with thin delicate straps wrapping up to her ankles to complete her costume, and had Flack completely mesmerized.
Flack had been waiting patiently on the couch fully dressed in his crisp, all-black attire, and stood quickly when he saw Lindsay come down the hall. "Wow."
"I think you said that already," she blushed.
"The statement still stands." He rested his hands on her hips and kissed her. "You sure you want to do this? Go together tonight?"
"It's been four months. I'm tired of sneaking around. I want to be able to go to parties with my boyfriend." She looked him up and down and smiled. "Especially when he looks like that in a costume."
He grinned and kissed her again. "I want to be able to go out with my girlfriend too." He ran his hands up and down over her hips. "And I would really like it if you weren't so damn beautiful in this dress." She raised an eyebrow at him questioningly. "Do you know how many guys I'm gonna have to chase away from you tonight?"
Lindsay laughed and rested her hand on his chest. "You're the only devil in disguise for me, Detective."