Silver Tongue
Hang on now…

rosexknight:

In the comics, Sunset Shimmer is grown up as she’s Celestia’s student right? And Twilight became Celestia’s student AFTER Sunset (Ha. Twilight Sparkle. Sunset Shimmer. PARALLELS!) so that makes Sunset a good bit older than Swi right?

Yes. I would assume about 3-5 years or so.