And as time goes by, their close bond has blossomed into a romance.
"Jennifer and Jamie have grown incredibly close since he joined the cast of her show last fall.
Hewitt and Asher may have met on the set of "The Ghost Whisperer" when he taped a guest appearance for an upcoming episode earlier this year.
"Here's somebody that breathes life into you in a new way and makes you fuller, and that's what she does to me. The fact he is so hilarious is what makes this relationship work.They hit it off right away, and her feelings for him have only grown stronger," a source tells Star."She's trying to keep her relationship with Jamie a secret, telling people they're just friends, but she can't hide her true feelings." The source goes on revealing, "They work together all day and hang out most nights.Neither Jennifer nor Ross has cleared the air about their broken engagement just yet.Jennifer Love Hewitt has opened up about her relationship with beau Jamie Kennedy, admitting he is the first friend she has ever dated.“We’ve been friends for a long time,” Jennifer said of her “Ghost Whisperer” co-star in an episode of “The Ellen De Generes Show,” which airs on Wednesday.A rep for Hewitt had no comment on the possible relationship.