Yes. Yes, she wanted to go with her, if more for the fact that she had the time to talk to her, hell, had the time to say hello in the first place. Evie definitely thought that she had made a new friend, then, and she followed her a little slowly.
She had to push through the crush of people at times, but luckily with her drink held high, she was able to find her easily enough. Though she didn't know what she would be interested in, but maybe bathroom buddies was just like it was in school; make sure no one took your purse while you were there.