Given that the only reason she’s this big in the first place is because of a magic spell, nothing’s really off the table as far as logic’s concerned :P
@Background Pony #FCA2
Actually she don’t need that, Twilight Sparkle was destined for this. How? Because every star we see in the night sky is said to be a sun in itself. And seeing that Twilight’s Cutie Mark is a star, I’m sure she’ll be fine. Maybe a bit of heartburn. =b