It's not just the fighters who are fired up for the UFC's Freedom 250 event -- the Octagon girls are, too -- and a special event requires a special outfit! TMZ Sports talked to Chrissy Blair earlier this week, just after the 'fits were debuted on social media ... with the longtime Octagon girl revealing she actually helped with the looks. "We were very much involved and I can't wait to see it come to life. And I think all the sequins and the materials like the velvet and the suede and all that,