Well how could she not grin at that? Tonks laced her fingers in Remus', giving his hand a gentle squeeze. She wished plenty of people could be there, too, but she knew they couldn't right now. Someday, maybe. For now, they'd enjoy this moment together.
"You still look great." She reached up with her free hand and brushed her fingers over his tie. "And I love the tie. Very handsome." Just as she leaned up to kiss him one more time, she heard the sound of the floo to their right. Pulling back reluctantly from the kiss, she glanced over and said, "Sounds like one of our witnesses is here, at least..."