Miranda Hart (in-universe)

Miranda Hart was a woman who once chased the Eleventh Doctor around the BBC backlot with a sprig of mistletoe. (TV: It's Showtime)

She auditioned to represent the United Kingdom in the Eurovision Song Contest 2023, saying that there had never been "a Eurovision UK person who [was] also a bit of a comedian". After the judges rejected her, she was comforted by Dermot O'Leary. (TV: 2023: The Eurovision Audition Tapes)