As Kirsty Wark prepares to sign off one final time on Newsnight, the key moments from the broadcaster's 30 year reign over the BBC show - including grilling PMs, interviewing Madonna and that Thriller dance

Kirsty Wark will present Newsnight for the last time tonight after announcing her departure in October. Here, MailOnline looks at some of the razor-sharp Scot's highs and lows over three decades.