Nightmare Bloom (a night guard for Princess Luna) looked into the stallion's eyes she had for a date but didn't even know it. Later when called by Princess Luna he was revealed. He wanted to take her to the hundredth Grand Galloping Gala. His name was-

After the princesses took little Sunset Shimmer under their wing after a sad tragic event in her life, Sunset became Princess Celestia's student. But while she was studying she came across something she thought would solve all her problems.

After Twilight Sparkle's princess coronation the girls (except Twilight) got to continue on with their normal lives. But during a spa day with Rarity and Fluttershy, Rarity overheard some spa ponies talking about Twilight's coronation. Then Rarity brings up a point to Fluttershy... Why aren't THEY princesses?