Jessica Alba: Nicole Richie Birthday Shout-out!

Jessica Alba and her husband Cash Warren are all dressed up while exiting Katsuya restaurant on Thursday (September 20) in Brentwood, Calif.

The next day, the 31-year-old actress tweeted, “Happy B’day shout out to the beautiful hilarious mostfashionable lovingmomma @nicolerichie!”

PHOTOS: Check out the latest pics of Jessica Alba

Jessica‘s close friend Nicole Richie turned 31 years old. Happy Birthday!

The day before, Jessica was spotted in an all-black ensemble while heading to an office building in Santa Monica.

FYI: Jess is wearing pants from Narciso Rodriguez for DesigNation available at Kohl’s Nov 7.

10+ pictures inside of Jessica Alba and Cash Warren leaving dinner in Brentwood …