Lena Dunham Lena Dunham

"Your first time shouldn't be with just anybody. You want to do it with a great guy," Lena Dunham tells the camera in a new commercial. But the actress isn't talking about sex — she's talking about voting!

Dunahm added her own spin to celebrity presidential endorsements in a cheeky new spot for President Barack Obama. The Girls star continues using the relationship metaphor to explain the reasons she supports Obama.

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"You don't want a guy who says, 'Hey, I'm at the library studying,' when really he's out not signing the Lilly Ledbetter Act," Dunham says.And though the video might be lighthearted, Dunham touches upon many important issues in the upcoming election including health care, gay rights, women's rights and birth control.What do you think of Dunham's endorsement ad?