Luna blinked, digging into her pockets and pulling out a gobstone. She shook her head, replying before her brain caught up completely. "No, I haven't got--" She tilted her head. "Good afternoon, Professor Dumbledore. I didn't remember you having a portrait here." Somewhere in her mind she believed he should have had one but then again, her memories of the Headmaster's office were limited to Umbridge's and Snape's reigns. Well, if he didn't then perhaps she just needed more sleep.
"I'm not entirely sure I could give you one either way."