'Scream 4': Lucy Hale, Shenae Grimes to cameo?

lucy-hale-shenae-grimes.jpgThe list of stars for the reboot of the "Scream" franchise keeps getting longer and longer. Now "Pretty Little Liars" star Lucy Hale and "90210" star Shenae Grimes are tweeting about filming their cameos for the movie.

Grimes tweets: "on set waiting to bang out my cameo in scream 4! All hush hush but stay tuned! X" along with the right half of the above photo.