Suggestions by @ervin

Benedict Cumberbatch

as Princess Luna in My Little Pony (Genderswap)

Tom Hardy

as Princess Luna in My Little Pony (Genderswap)

Hugo Weaving

as Princess Luna in My Little Pony (Genderswap)

Ian McKellen

as Princess Celestia in My Little Pony (Genderswap)

Morgan Freeman

as Princess Celestia in My Little Pony (Genderswap)

Keanu Reeves

as Princess Cadence in My Little Pony (Genderswap)

Jai Courtney

as Princess Cadence in My Little Pony (Genderswap)

Dwayne Johnson

as Princess Cadence in My Little Pony (Genderswap)

Fred Tatasciore

as Fluttershy in My Little Pony (Genderswap)

Gerard Butler

as Fluttershy in My Little Pony (Genderswap)

Gerard Butler

as Rarity in My Little Pony (Genderswap)

Josh Brolin

as Rarity in My Little Pony (Genderswap)

Ansel Elgort

as Fluttershy in My Little Pony (Genderswap)

Tobey Maguire

as Fluttershy in My Little Pony (Genderswap)

Matthew Adams

as Fluttershy in My Little Pony (Genderswap)

Asa Butterfield

as Fluttershy in My Little Pony (Genderswap)

Bill Hader

as Applejack in My Little Pony (Genderswap)

Randy Orton

as Applejack in My Little Pony (Genderswap)

Roman Reigns

as Applejack in My Little Pony (Genderswap)

Bryan Danielson

as Rainbow Dash in My Little Pony (Genderswap)