I found videos of the play online. I’m pretty sure it’s the woman who used to play Elle Woods (and the male leads are different as well). Judging from the little bit I’ve watched, I think her voice is way, way better. As are the guys, but that doesn’t say much.

Aside from that, I loved it!

Here’s the videos:
Act 1: http://www.megavideo.com/?v=3KPEQFXA
Act 2: http://www.megavideo.com/?v=EJ7H3WXQ