Did Katy Perry Lip Sync During The Super Bowl Halftime Show? Twitter Reacts

Katy Perry performed during the 2015 Super Bowl halftime show Sunday. The 30-year-old singer came out singing "Roar" while riding a giant robotic tiger being pulled by puppeteers dressed in black. Her halftime performance was definitely entertaining, belting out hit songs like "Firework," "I Kissed A Girl" and "Dark Horse" ... but was she really singing?