Diana knocked lightly before letting herself into Noah's apartment. He opened the door, clearly not expecting her, and blinked in surprise.

"Diana?"

She strolled in as if she belonged there, dropping herself onto his sofa. "Nice place," she said, her eyes wandering over the sleek décor and panoramic city view. "So, you all live in penthouses, huh? Must be nice. How many millions do you drop on this a month?"

Noah shut the door behind her, brows knitting. "What are you doing here, Diana?"

She ...