Brett Favre's alleged involvement in a multi-million dollar welfare scandal may have just gone from bad to worse ... 'cause a key figure in a criminal case has just made a deal to cooperate with the feds that could put the NFL legend in the crosshairs of the Justice Department. Nia Long says she's gonna need all the support she can get after getting blindsided by her fiance, Celtics Coach Ime Udoka ... who we've learned kept her in the dark about his affair, even though the team busted him months ago. Donald Trump's legal headaches keep piling up and now he has another one ... the special master in his classified documents case just ordered 45 to prove his assertion FBI agents may have planted evidence at Mar-a-Lago. Gear up Swifties -- Taylor Swift could be this season's Super Bowl halftime show act ... at least, that's what the musician's fans are thinking after the NFL appeared to drop a big clue into it all on Thursday night. Elon Musk is one cocky motherf***er -- because he's so confident he can stay ahead of the pack, he doesn't even bother to protect his innovations. Learn more about your ad choices. Visit megaphone.fm/adchoices