Baby Disick #2 is growing fast!

Pregnant Kourtney Kardashian was all smiles in Los Angeles Saturday, as she and boyfriend Scott Disick, along with their son Mason, 2, stepped out in L.A. for lunch.

PHOTOS: Adorable snapshots of Mason Dash Disick

The 32-year-old star's growing belly was accentuated by her clingy green sweater -- a festive choice for it being St. Patrick's Day.

PHOTOS: Look back on Kourt's first pregnancy

After announcing to Us Weekly in November that she and her beau of five years were expecting their second baby, Kardashian confirmed  to E! last month that she's having a girl.

PHOTOS: Babies of 2011

"We feel so blessed to be having a little girl and to be able to share this new experience with Mason," the Kourtney and Kim Take New York star said.

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