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Official Site: Hasbro

My Little Pony: Equestria Girls – Rainbow Rocks, or simply known as Rainbow Rocks, is a 2014 Canadian–American Flash animated fantasy musical film based on Hasbro's Equestria Girls toy line and media franchise, which is a spin-off of the 2010 relaunch of My Little Pony. Written by Meghan McCarthy and directed by Jayson Thiessen and Ishi Rudell, the film was produced by DHX Media's 2D animation studio in Vancouver, Canada for Hasbro Studios in the United States, as a sequel to the original Equestria Girls (2013). The film premiered in select theaters across the United States and Canada on September 27, 2014, which was followed by broadcast on Discovery Family, a joint venture between Discovery, Inc. and Hasbro, on October 17, 2014, and then a home media release on October 28, 2014.

Like the first film, Rainbow Rocks re-envisions the main characters of parent franchise, normally ponies, as teenage human characters in a high school setting. Set between the television series' fourth and fifth seasons, the film's plot involves Twilight Sparkle returning to Canterlot High School to compete in a Battle of the Bands alongside the human counterparts of her friends – including former school bully/former student of Princess Celestia, Sunset Shimmer – to save the school from a trio of sirens from Equestria.

The film was well received by critics, who described it as "far superior" to the first installment. It was followed by two sequels, Friendship Games and Legend of Everfree.

Former Canterlot High School bully and student of Princess Celestia, Sunset Shimmer, who has reformed after being defeated by the magic of Princess Twilight Sparkle's crown, is ostracized by most of the school despite her efforts to atone. Her only friends are the counterparts of Rainbow Dash, Applejack, Pinkie Pie, Fluttershy and Rarity, who have formed a rock band called "the Rainbooms" to participate in the school's upcoming musical showcase. The five girls discover that the magic left over from Twilight's crown has given them the ability to grow pony-like ears, tails, and wings when they play their instruments.

The Dazzlings has not been a contender in any CBUB matches.