Prime Video has confirmed: the prequel to "Legally Blonde" titled "Elle" will be released in the summer of 2026.
The story centers on Elle Woods herself, but before her Harvard studies and court legal practice. We will see her as she was in high school.
The lead role is played by Lexi Maintri, a young actress who was cast through a national selection.

Source:
thewrap.com
Alongside Maintri, the cast includes June Diane Raphael, Tom Everett Scott, Chandler Kinney, Jessica Belkin, and others.Reese WitherspoonI am thrilled to announce that we have started filming, and not just filming but working on two episodes. Last week, I was on the set and saw the entire cast and everyone who worked so hard to make this dream come true.

Source:
imdb.com