Jen Aniston Isn't Sure How Sperm Banks Work

The lovely Jennifer Aniston made a guest appearance on "The Tonight Show with Jay Leno" to talk about her upcoming comedy, "The Switch," in which she plays a woman who decides to have a baby on her own by finding a sperm donor.

See photos of Jennifer Aniston through the years!

The inevitable question arose about sperm banks, with Aniston commenting, "I don't know how that works. I don't know, honestly. You go to a bank, and you have a card. I don't know. And no, there are not guys at the next window making deposits."

Watch her interview with Leno!