Never Too Late
From Tardis Wiki, the free Doctor Who reference
"Never Too Late" was a song by Kylie Minogue, released on 23rd October, 1989. The Tenth Doctor once quoted this song. (DW: The Idiot's Lantern).
Minogue would later appear as Astrid Peth, a companion of the Tenth Doctor in DW: Voyage of the Damned, making her one of the only people to be referenced on the show and then later appear.
