Dianna Agron Talks Glee Season 3's "Surpirsing" Prom and Why She Dressed Up as a Dinosaur For Halloween! (VIDEO)

Dianna Agron (Quinn) chatted with MTV about what to expect in tonight's Season 3, Episode 19: “Prom-asaurus,” including that awesome dinosaur theme! But while Quinn might not dress up like a dino during the ep, Dianna certainly has in the past. This Halloween, a many members of the Glee cast dressed up like characters from the cartoon Rugrats — and Dianna chose to go as their dino pal, Reptar. Now that is something we would have loved to see!