The singer spoke to the large crowd gathered at the Clinton election night party in New York City and delivered a message of unity for the country, reported People magazine.
"Tonight, my parents voted for Trump. But you know what? We will still all be sitting at the same table for Thanksgiving," she said.
"What a great country this is that gives us the freedom to express our differences, our opinions, our hopes and our fears," the singer said.
Perry had gone all out to support Clinton and even performed at the Democratic National Convention.