I doubt her pilot friend is flying them home if she's sitting with them, surely she'd be on the plane doing checks etc. Also, she probably doesn't have an alcohol issue like shiv and drink herself to oblivion for 158K to see and embarrass herself!
Pilot lady has taken herself off of private on insta too....?
Wonder if Siobhan had a drink on the plane, or if she'll go back to her box room and finish off one of those bottles? She'll be up at 6am stomping around looking for coffee like nothing happened?
Definitely think she's gatecrashed a planned weekend and her pals look a bit miffed.