Natalie Portman: 'Black Swan' solo sex scene was 'awkward'; Ashton Kutcher sex scenes were 'silly'

Natalie Portman appears to have found her solo sex scene in "Black Swan" more awkward than her numerous love scenes with Ashton Kutcher in her new comedy, "No Strings Attached."The 29-year-old actress told In Style that her masturbation scene in Darren Aronofsky's ballet thriller was "super-awkward.""Anyone who tells you otherwise is not being honest," she said in the magazine's February issue, "