In an interview with Collider.com, Savage Steve Holland (Better Off Dead...) said that he is directing the next two Legally Blonde sequels:

I heard that you were directing a sequel to the Legally Blonde franchise. Is that true? And what's the story about? And when do you start filming? RELATED: Legally Blonde 3 Will Bring Back the Bend & Snap, Mindy Kaling Hopes to Film This Year