 |
"They're going to have to. It's already developing really quick," Jessica said Monday at a taping of the The Ellen DeGeneres Show.
Ashlee – described by husband Pete Wentz more than two weeks ago as due at any moment – has already tried other ways to begin labor.
"Different foot massages and stuff," Jessica told DeGeneres in the show airing Wednesday. "I don't know. I think she's really just jumping around trying everything right now."
Who's your Favorite Star Under 35? PEOPLE.com and the People's Choice Awards are counting your votes! Click here to vote now!
RELATED GALLERIES:
• Go inside Ashlee & Pete's 'wonderland' wedding!
• Read more about Hollywood's baby boom!
JOSH & FERGIE: ROCKED BY SCANDAL
Did he cheat with a stripper?
Married less than a year, the couple denies an Atlanta woman’s claims that she and Josh had a fling
Note that this week’s cover of PEOPLE may differ regionally
