Jay asked Jennifer if she's ever considered doing something like visit a sperm bank to have a child, something she laughed away.
"Geez! That question's never been asked to me," she said.
During her visit to Jay's couch – her first since he returned to "The Tonight Show," the actress also talked about her new perfume, named after the actress. She said, however, that a number of other names were suggested.
"There was stuff like 'Clean,' 'Air,'" she laughed.
The perfume, which is only available at London department store Harrods, almost had another name, "Lolavie," before Jen chose to use her own, but Jennifer suggested it was snapped up while she was getting her product to market.
"We worked forever… That was the hardest part," she said of the name. "I sort of knew what I wanted the name to be… I don't know how or what or who… things happen and I couldn't take the name that I was gonna use."
"The Switch," also starring Jason Batemen, hits theaters on August 20, 2010.
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