Katy Perry was a human presidential ballot Wednesday night at a rally for President Obama in Las Vegas. The singer wore a tight white dress with the names of Obama and Biden on it as she sang ‘Teenage Dream’ and other big hits in front of supporters of the 44th president.

Video of the event shows Perry singing the title track from ‘Teenage Dream,’ while Idolator reports she also performed ‘Wide Awake,’ ‘Part of Me,’ ‘Firework’ and a cover of Al Green’s ‘Let’s Stay Together.’ Perry urged those in attendance, especially younger voters who will be casting their ballots for the first time, to help re-elect Obama. “You know I got my poll outfit sorted,” she said. “When I go to the polls in California, it’s gonna be on point. It’s gonna be red, white and blue, for you know who.”

“I am so grateful to Katy Perry for the unbelievable performance,” Obama said when he took the stage. “I’m getting to know Katy. She’s just a wonderful young lady.” Perry previously appeared at an Obama rally with Jennifer Hudson and Stevie Wonder in Los Angeles, according to MTV.

Later that night, Perry summed up her thoughts on the evening with this tweet:

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