In a message posted Monday on Twitter, the “I Kissed a Girl” singer wrote, “VEGAS! I’m performing for @BarackObama again WEDNESDAY! Celebrate getting your early vote on & get free tix here.” Perry, 27, included a link to Obama’s reelection campaign website.

The pop star lent her voice to an Obama event earlier this month in Los Angeles. Jennifer Hudson, Earth Win & Fire, Jon Bon Jovi, Stevie Wonder and George Clooney also made appearances at the fundraiser. 

Photo: Wikimedia