Justin Timberlake and girlfriend Jessica Biel made an appearance at a Barack Obama rally in Las Vegas on Saturday, with JT telling attendees, "We've never publicly endorsed before, but we've never been so inspired by one person," the Las Vegas Review-Journal reported.

"I'm not here as some dude who writes goofy songs," Timberlake told the crowd from the stage of the Clark County Government Center amphitheater. "Me and Jess, we're here as Americans. We're here as humans, because this is something we had to do."

According to Us Weekly, Timberlake performed a new version of [article id="1565098"]his popular "Saturday Night Live" song "Di-- in a Box,"[/article] renaming it "Vote in a Box."

Speaking for about a half-hour, the duo urged fans to vote for the Democratic presidential nominee. Timberlake spoke using a printed-out list of talking points. Biel spoke out about women's rights, saying, "Nobody should be able to say what you can do with your body."

But it wasn't all serious. He and Biel also joked with the crowd, with Justin telling everyone, "I give Jess the right to choose where we go to eat all the time. The funny thing is, what the woman chooses is usually right."

"Brownie points for you," Biel responded.

"I know where my bread is buttered," Timberlake joked.

University of Nevada student Felice Garcia spoke to the Review-Journal after the rally, saying how great it was that Timberlake and Biel made the effort to attend. "I really respect him for that," Garcia said. "He obviously cares about this."

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