Jimmy Kimmel Uses Polygraph to Confirm Whether Sean Lowe & Catherine Giudici Waited for Marriage

UPDATED 01/28/2014 at 12:15 PM EST Originally published 01/28/2014 at 11:30 AM EST


Sean Lowe and Catherine Giudici

Randy Holmes/ABC

The Bachelor's Sean Lowe and Catherine Giudici garnered a lot of publicity for their claim that they were avoiding premarital sex. And Jimmy Kimmel, for one, wasn't about to let that go quietly.

So he decided to give them a polygraph test.

With Kimmel's parking lot security guard/sidekick Guillermo acting as witness, Lowe and Giudici underwent a test administered by polygraph expert Dennis Blackstock.

Kimmel revealed the results on his show Monday night, and – to the host's surprise as much as anybody's – Blackstock stated that he had definitive results from the test, and that those results confirmed Lowe and Giudici's claims: The pair didn't sleep together until they were married, waiting 16 months. (Click here for PEOPLE's wedding coverage.)

"I'm proud and disappointed at the same time," Kimmel said.

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