Jennifer Aniston Talks Sperm Banks

Jennifer Aniston Talks Sperm Banks

Have any questions about sperm banks?

Don't bother asking Jennifer Aniston.  

On Thursday's The Tonight Show With Jay Leno, the 41-year-old actress promoted her latest comedy The Switch (out Aug. 20), in which she plays a single woman seeking a sperm donor.

When Leno asked her how sperm banks work, Aniston got flustered.

"You go to a bank and you have a card..." she stammered (see video, above). "I honestly don't know exactly."