Kardashian's Pregnant Surrogate Steps Out For Lunch

They're getting ready to add an another baby to their family of four.

And Kim Kardashian's pregnant surrogate enjoyed some down time with friends as she stepped out for lunch on Monday afternoon in Los Angeles.

The unidentified woman showed off her growing baby bump amid reports Kim, 37, and husband Kanye West, 40, 'will both be present at the birth' of their third child, according to PEOPLE magazine.