"You're welcome, Remus." Tonks smiled softly as he turned and headed into the bathroom, closing the door behind him. For a moment she paused, finding her mind thinking of him inside- and then, her cheeks flushed, she shook her head and turned her attention to finding clothes for Remus.
A bit of rummaging in her drawers pulled up a pair of Charlie's jeans and another pair of flannel pajama pants, probably left over from one of the nights he'd crashed there, as well as a few shirts and a pair of boxers. It all seemed clean (she vaguely remembered washing them along with her clothes and shoving them in the drawer for the next time Charlie stopped by), so she grabbed the flannel pants, boxers, and shirt and folded them up to put on the bed for now.
Figuring she might as well take the time he was in there to switch her own clothes, Tonks quickly got changed out of her jeans and shirt and into her pajamas; a pair of red shorts with pink hearts and a slightly-snug matching pink tee. That done, she sat down on the end of her bed, tucking her legs up underneath her as she listened to the sound of the shower running, and tried not to think too much about Remus inside.
When she finally heard his voice, she called back, "Yeah! I found some clothes for you to wear tonight! Do you want to come get them, or um, I could bring them to the door?"