Heather Morris Performs Ke$ha's Dinosaur On Glee!

RAWWWR!!!!!
As student body president, Brittany S. Pierce (Heather Morris) – not to be confused with Britney Spears – must dance McKinley High Prom her own, special way…
Which means the most magical, fantastical, positive prom EVER!!
Brit is taking her singing and dancing skills back to when Dinos and Ke$ha roamed the Earth…
Watch the prehistoric performance from tomorrow’s Glee episode (above)!