Mesereau famously won an acquittal for Michael Jackson during the King of Pop's 2005 child molestation trial.
Bill Cosby has hired powerhouse attorney Tom Mesereau to be a part of his legal team.
Read: Bill Cosby Accusers Waiting Outside Courthouse Say They'll 'Be Dancing' If He's Convicted
Mesereau accompanied the embattled entertainer as he arrived at a courthouse outside Philadelphia for a pre-trial hearing Tuesday.
The lawyer, who famously won an acquittal for Michael Jackson during the singer's 2005 child molestation trial, did not speak to reporters outside court.
In an interview with Inside Edition last year, he expressed support for Cosby.
"I don't think they have much of a case against him," he said in 2016. "I think this is politically motivated. I think there was enormous political pressure to file the case and I don't think it should have been based on everything I know."
Mesereau was also on actor Robert Blake's legal team during his murder trial, after which he was acquitted in 2005.
Cosby is being retried on charges he drugged and molested Temple University employee Andrea Constand in 2004. The first trial ended in a hung jury in June.
Read: Cosby Juror Surprised Case Ended in Mistrial, Thought Shamed Comic Would be Acquitted
In the courtroom Tuesday, the judge formally approved the dismissal of Cosby's lawyers from his first trial after they asked to be removed from the case and permitted Mesereau and his team to take over the disgraced comedian’s case.
Cosby looked in good spirits after it was announced that the retrial, which had been slated to start in November, would be pushed back to the spring of 2018.
The prosecution spoke briefly saying: "We're looking forward to retrying the case."
Watch: Cosby Aides Defend Post-Sexual Assault Trial Tour: 'He Deserves the Opportunity to Speak'
