It’s MISTY, Sugar Bits! Do I have to spell it out for you, or do I have to bash that name into your heads–IMEAN—create nametags pins for all of you star ponies??
Of course she doesn’t remember you Sunny. Back then you were Crazy Old Stallion Argyle’s weird daughter who wouldn’t shut up about befriending Unciorns and Pegasis.
Now you’re the hero of Equestria who brought back magic, united the tribes and got a magical horn & wings. Trust me, if you somehow manage to become unpopular again she will be the first one who pretends not to know you.