Hillary Clinton and Donald Trump kicked off the first of three planned presidential debates today.
It all went down at Hofstra University in Long Island, New York, and celebrities have taken to social media to show their support.
Lena Dunham posted a picture to Instagram wearing a Hillary mask to show her support for the Democratic nominee.
Ivanka Trump, the daughter of Donald Trump, posted a photo of her baby son Theodore wearing an elephant towel to support his grandfather, the Republican nominee.
