If we're not careful Megan Fox is going to rival Jessica Alba and Angelina Jolie as one of the most over-exposed celebs in the Poserverse:

Mikaela for Genesis by Edson (Freebie) http://www.sharecg.com/v/63412/gallery/21/DAZ-Studio/Mikaela-for-Genesis
Megan3D V3 for Genesis by Edson (Freebie) http://www.sharecg.com/v/62030/browse/21/DAZ-Studio/Megan3D-V3
Megan for DAZ V4 by CS (Freebie) http://www.sharecg.com/v/46423/View/11/Poser/Megan-for-DAZ-V4

I haven't loaded any of them up yet but the promo pics for Edson's offerings look great.  Note that I could only find the links for the first two by doing a site search from Google; the ShareCG search wouldn't bring them up.