Yeah, it's 100% her. Who else would ever want a second date with some arrogant prick who's vlogging the whole entire time for the whole two hours you're in the park, then vlog themselves showering in a towel while you're staying at the resort.
And since it's Sam, Kyle 100% did not pay for the room in cash. He's hurting for money right now, desperate for views and leeching onto the few friends he has left so he can vlog fancy dinners at Disney and staycations that they got for their social media gigs.