“This Is Me… Now: A Love Story” and another new Prime Video project, “The Greatest Love Story Never Told” — Jennifer Lopez has been getting plenty of love from some famous friends.The star-studded short film “This Is Me… Now” featured everyone from previous co-stars Jane Fonda and Keke Palmer to Trevor Noah and Post Malone.Now comes “The Greatest Love Story Told” — a documentary about the making of Lopez’s new album “This Is Me… Now” — the recently released sequel to 2002’s “This Is Me… Then” — and its companion short film, which premieres at 7 p.m. on Prime Video Monday.