By Jennifer Davis
Updated Jun 13, 2016 @ 1:01 pm
See More of Fox's Best Maternity Looks

Megan Fox turned 30 yesterday, and her birthday celebration was decidedly low key. Instead of a major bash, the Teenage Mutant Ninja Turtles: Out of the Shadows actress, who is expecting her third child, marked the milestone with lunch at Café Gratitude in Los Angeles. 

For the laid-back meal, Fox rocked another casual-cool maternity ensemble that accentuated her baby bump. The mom-to-be embraced comfort, wearing a plaid button-down shirt over a light blue tee and gray leggings. She finished off the look with flip-flops and a backpack, which she slung over one shoulder. 

RELATED: Megan Fox Shows Off Her Baby Bump in a Black Formfitting Maxi Dress

Since announcing her pregnancy, Fox has stepped out in a slew of stylish maternity looks, wearing everything from a boho chic printed minidress to a sexy black scalloped bikini.