Sandra Bullock walks hand-in-hand with new boyfriend Bryan Randall

Sandra Bullock showed up solo on the red carpet Monday night, but her handsome beau, Los Angeles-based photographer and model Bryan Randall, wasn't too far away.

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The 51-year-old actress looked gorgeous in her leggy J. Mendel gown and Jack Vartanian jewelry at the premiere of "Our Brand Is Crisis." While she was more than willing to pose with her co-stars Billy Bob Thornton and Scoot McNairy on the red carpet, it wasn't until after the event that cameras caught her holding hands with Randall, 59, outside the TCL Chinese Theatre in Hollywood, California.