Jackson Rathbone is now a Twilight dad. Yep, he and his girlfriend, Sheila Hafsadi welcomed their first child into the world tonight! According to Us Weekly, Rathbone and Hafsadi had baby boy today - Thursday, July 5th - at 9:43 a.m., weighing in at 8 pounds 11 ounces. The couple kept Rathbone's long-standing traditional name for the tyke, naming him Monroe Jackson Rathbone VI (Jackson's full name is Monroe Jackson Rathbone V). No word yet on a nickname. Jackson Rathbone responded to fan congratulations on Twitter tonight, writing "Thank you All for the love & support! Sheila & I couldn't b ... Cam Gigandet (who's now expecting baby number two, by the way) has a three-year-old daughter named Everleigh Rae, Alex Meraz had his second son in May, and Billy Burke's daughter Bluesy Larue came along while he was working on Twilight. Other Twilight dads include Peter Facinelli, New Moon director Chris Weitz,...