The film will "chronicle the courtship and love story between a beloved prince and his new fiancée", says the synopsis, with the timeline covering their first date to their engagement.
According to Deadline, producers are now casting for Harry & Meghan: The Royal Love Story - a TV film that will follow the pair's relationship from the first time they met.
Harry & Meghan is now casting, and a premiere date is TBA.
Harry & Meghan is in the casting stages and with their wedding day set for May 19, the film is expected to air in the early days of that month.
Determined to keep their relationship out of the public eye, the couple kept a low profile before announcing their engagement in November 2017.
The movie will be exec produced by Merideth Finn and Michele Weiss (Lifetime's Flowers in the Attic and Petals on the Wind) and directed by Menhaj Huda (The Royals, Coronation Street).
Lifetime TV seem to have a strong interest in the British royal family and have already made films such as The Murder of Princess Diana, and William & Kate: The Movie.