Best pony

Sunset Shimmy Sunset Shimmer's happy, so she starts acting like the pony that she was born as. This can only end in adoracute. by shortskirtsandexplosions 3,568 words · 1,258 · 38
Sunset of Time Sunset Shimmer: Princess Twilight Sparkle's most faithful student. After bearing witness to the End of the World, she travels back in time to destroy the Dark Regalia and save her future. But a ghost from the past has other plans... by Albi 232,768 words · 1,330 · 37
Sunset Reset After the Friendship Games, Sunset Shimmer decided it's time to return home. It's just that she comes back a bit earlier than expected. by LordBrony2040 396,396 words · 2,547 · 188
The Witch of the Everfree My name is Sunset Shimmer. I am the strongest unicorn in all of Equestria, and my life is over. I'm in hiding and on the run, and I have no idea where to start putting things back together. by MagnetBolt 56,028 words · 2,484 · 31
Twilight Falls, Sunset Dawns Sunset Shimmer casts a spell to switch bodies with Twilight. She embraces the royal lifestyle she's always wanted, but the reality falls short of the dream. by DrakeyC 105,933 words · 612 · 35

Best pairing

Fractured Sunlight As kids, Twilight and Sunset were best friends, but a tragic accident cut their friendship short. Years later, Twilight investigates the incidents at Canterlot High and comes face to face with what appears to be a literal ghost from her past. by Oroboro 111,688 words · 2,516 · 71
Long Road to Friendship As punishment for her crimes, the Elements have cursed Sunset Shimmer to do favors for anyone who asks. Lucky her. And then there's that other Twilight Sparkle she keeps running into... by Albi 213,109 words · 3,487 · 84
Perspective Sunset finds herself without purpose as graduation reaches Canterlot High's most famous class. Uncertain about what she wants and unfulfilled, she agrees to try a change of perspective. by Orpheon 119,505 words · 586 · 20