Selma Blair legs sunglasses split baby Jason Bleick

We're not sure if this is a manny, a new boyfriend, an assistant or just a friend (the possibilities are endless!), but Selma Blair doesn't have any brothers and she just split from baby daddy Jason Bleick, so we have to wonder!

The 40-year-old actress stepped out in Hollywood on Monday morning with her 14-month-old son Arthur, and she was joined by a mystery man, who was quite helpful, pushing the stroller along and even feeding the tiny tot a few snacks. We've reached out to Selma's rep for info on the unidentified hunk, but we have yet to receive a response as to who he might be.

Selma announced last week that she and Bleick were splitting after several years together...