She's too caught off guard to even brace herself, fortunately for them both, given the size and attention of the crowd. While it takes her a second to actually react to it, that little boost of confidence from him does just the trick, and she manages to kiss him back.

A stage kiss. That's all it was. She could do that.. had done that many times. Right.

There are more words- announcing them both with a string of full titles and she draws back, shockingly a little more breathless than she might have expected to be as she manages a smile to him, then to the now standing audience.