As the Senate prepares to bring an end to Donald Trump's impeachment trial, Monica Lewinsky criticised a Republican Senator whose key swing vote could hinge on whether any witnesses will be introduced.

Among the most famous witnesses in a presidential impeachment trial following her affair with former president Bill Clinton, Ms Lewinsky's private life was heavily scrutinised and ridiculed, then entered into the public domain during a videotaped interview in which she contradicted Mr Clinton's sworn statement about his "sexual relations" with her, part of a probe led by prosecutor Ken Starr — who now is part of Mr Trump's defence team.

On Twitter, she wrote: "Gee, too bad i had to give that videoed witness testimony for the senate trial in the Clinton impeachment. (i mean, talk about unflattering lighting and having a bad hair day.)"

Ms Lewinsky also retweeted a comment from another account that denied a statement from Mr Alexander, who tweeted that "the Constitution does not give the Senate the power to remove the president from office and ban him from this year's ballot simply for actions that are inappropriate".

She shared a tweet saying: "Actually it does that is the point."

All the president's lawyers: The team fighting Trump's impeachment Show all 6 1 /6 All the president's lawyers: The team fighting Trump's impeachment All the president's lawyers: The team fighting Trump's impeachment Alan Dershowitz Dershowitz is a controversial American lawyer best known for the high-profile clients he has successfully defended. Those clients have included OJ Simpson, Jeffrey Epstein and Harvey Weinstein. One longtime Harvard Law associated told the New Yorker Dershowitz "revels in taking positions that ultimately are not just controversial but pretty close to indefensible." Getty All the president's lawyers: The team fighting Trump's impeachment Ken Starr Starr became a household name in the 1990s as the independent counsel who led the investigation that led to Bill Clinton's impeachment. That investigation began as a look into a real estate scandal known as Whitewater, and eventually led to impeachment after Mr Clinton lied under oath about having an affair with White House intern Monica Lewinsky. AP All the president's lawyers: The team fighting Trump's impeachment Jay Sekulow Sekulow is the president's longtime personal attorney, and, now, personal lawyer in the White House. He has been accused by former Rudy Giuliani associate Lev Parnas of being "in the loop" during the Ukraine scandal. Getty All the president's lawyers: The team fighting Trump's impeachment Pam Bondi Bondi is the former attorney general in Florida, and a longtime backer of the president's. She made a name for herself in Florida for taking hyper partisan stances on issues, and her penchant for publicity. She is likely to be a prominent public-facing figure during the trial. AFP/Getty All the president's lawyers: The team fighting Trump's impeachment Pat Cipollone Cipollone is the White House counsel, and leading the president's defence team. Getty All the president's lawyers: The team fighting Trump's impeachment Rudy Giuliani While not officially named as one of the president's impeachment lawyers, it is hard to ignore Giuliani's outsized role in this process. The former mayor of New York has been making headlines for months as he defends his client, and for his apparent role in the effort to compel Ukraine to launch the investigation into Joe Biden. We'll see how he figures in the actual trial, which he has said he would like to be a part of. Reuters

In 1998, she was forced to testify in Mr Clinton's impeachment proceedings by Mr Starr and his right-wing allies targeting the then-president for perjury and obstruction of justice.

As part of Mr Trump's legal counsel, Mr Starr is now fighting against attempts to bring witness testimony to the Senate.