Spot the Fake Baby Bump

Think you know when a star's really pregnant? See if you can tell which tummy is true

  • Which of J.Lo's bumps is for a movie – and which is real?

CREDIT: Juan Garces / Splash News Online

Published: Tuesday July 24, 2012 06:00 AM EDT By: Cara Lynn Shultz

Correct Answer: Blue dress is real

Jennifer Lopez sported a prosthetic bump in 2009 to film The Back-Up Plan – a year after the actress was pregnant (pictured) with twins Max and Emme, now 4.