The pony reporter who interviews Rarity and the rest of the Mane 6 bears a striking resemblance to J. Jonah Jameson, publisher/editor-in-chief of The Daily Bugle newspaper and nemesis of Spider-Man.
The pink pony dancing at the Club Pony Party Palace is wearing a dummy (pacifier in American English) on a lanyard around her neck like ravers of the 80s/90s.
The title of this episode is a punning reference to Savile Row, the London street that is famed for men and women's bespoke tailoring.
In the first flashback at the diner, two ponies are seen eating together that resemble Vincent Vega and Jules Winnfield from Pulp Fiction.