The final day of the Democratic National Convention is underway in Philadelphia. 

Democratic nominee Hillary ClintonHillary Diane Rodham ClintonTrump complains of 'fake polls' after surveys show him trailing multiple Democratic candidates Hillary Clinton responds to Trump tweets telling Dem lawmakers to 'go back' to their countries The Young Turks' Cenk Uygur: Here's how to choose a president MORE — the first female presidential nominee of a majority party in the U.S. — will headline the event. 

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Her daughter, Chelsea Clinton, will introduce her. Katy Perry is scheduled to perform before the prime-time speech. 

Gavel time is expected at 4:30 p.m. 

Watch the event live in the video above.