The diminutive rapper is recovering from the accident on Wednesday, which occurred in the grounds of his Hertfordshire home.
"Dappy sees himself as a bit of a Lord of the Manor and he was cantering around when the horse reared up suddenly.
"He was left sprawled on the ground, and to make matters even worse, the horse then stamped on his face. There was blood everywhere," a source said to the Daily Mirror.
Meanwhile a spokesman for Dappy told the Daily Mail: "I can confirm that my client was involved in a horse riding accident at home where he fell from his horse and was subsequently kicked in the face.
"Dappy was rushed to hospital where he received medical treatment and is now recovering."
READERS, DO NOT PANIC: It looks like Dappy, whose real name Costadinos Contostavlos, is on the mend, if his twitter feed is anything to go by.
Last night he confirmed he will be visiting Newcastle on Saturday, modestly retweeting a fan who referred to him as "God".
Since the sad news broke, the internet has stirred to create a series of
hilarious cruel jokes at the 26-year-old's expense (see below).