"Never Too Late"
From Tardis Wiki, the free Doctor Who reference
"Never Too Late" was a song by Kylie Minogue, once quoted by the Tenth Doctor. (TV: The Idiot's Lantern)
Behind the scenes
Minogue would later appear as Astrid Peth, a companion of the Tenth Doctor in TV: Voyage of the Damned, making her one of the only people to be referenced on the show and then later appear, another such example being John Hurt.
