Sandra Bullock and Boyfriend Bryan Randall Step Out for Date Night With Pal Sia

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Sandra Bullock and her new photographer beau, Bryan Randall, got adorably cozy on their latest date night.

The pair stepped out on Saturday at Hollywood hotspot Casa Vega Restaurant, where they chatted with pal Sia (yes, that’s the “Alive” singer with a blonde top-knot pictured below). According to an onlooker, Bullock, 51, and Randall, 49, stayed close by each others' side throughout the evening and at one point, while waiting for the valet, Randall wrapped Bullock up in his arms.

Bullock and Randall were first spotted together in late August, when the pair enjoyed a dinner date at Craig's restaurant. Photogs captured Bullock smiling big from the back seat of a black SUV as the couple was leaving. 

WATCH: Sandra Bullock's Rumored New Man Bryan Randall Goes Shirtless, Shows Off Model-Worthy Abs 

Sia's not the first famous friend that Bullock and Randall have been spending time with. The pair enjoyed a romantic double date with newlywedsJennifer Aniston and Justin Theroux at Bess Bistro in Austin, Texas, just last month.

But when ET caught up with Bullock at the Toronto International Film Festival, where the actress was promoting her new film, Our Brand Is Crisis, she played coy on her rumored new relationship.

"Who says I have a new boyfriend?" Bullock teased. "Everything in my life is great right now."

WATCH: Has Sandra Bullock Adopted a Second Child? 

Everything including Bullock's favorite role: mom! The star is already a mother to 5-year-old son Louis, and it has been reported that she may have recently adopted a second child. Though Bullock hasn't confirmed the news, ET dug in to the advantages of keeping a celebrity adoption secret in the video below.