Trump had brief encounter with Giuliani on Saturday

President TrumpDonald John TrumpDonald Trump and Joe Biden create different narratives for the election The hollowing out of the CDC Poll: Biden widens lead over Trump to 10 points MORE briefly met with his attorney Rudy GiulianiRudy GiulianiSunday shows preview: States begin to reopen even as some areas in US see case counts increase Moussaoui says he now renounces terrorism, bin Laden Democrats launch probe into Trump's firing of State Department watchdog, Pompeo MORE on Saturday as Giuliani faces a federal investigation over possible campaign finance violations, Bloomberg News reported.

The two men met Saturday night at Trump's Mar-a-Lago resort in West Palm Beach, Fla., where Trump spent the weekend ahead of this week's Christmas holiday. It was unclear what the two men discussed, according to Bloomberg. The White House did not immediately return a request for comment from The Hill.

A communications aide to Giuliani, Christianné Allen, tweeted a picture of herself next to a smiling Trump on Sunday morning, hours after the meeting occurred.

Giuliani also remains under investigation for possibly failing to register as a foreign agent, the same charge that ensnared other members of Trump's inner circle, including Paul ManafortPaul John ManafortCohen released from federal prison to home confinement due to coronavirus concerns Advocates call on states to release more inmates amid pandemic Michael Cohen to be moved to home confinement due to coronavirus concerns: report MORE, his former campaign chairman.

The former New York City mayor has been at the center of the House's impeachment inquiry into Trump due to his efforts in Ukraine to uncover possibly damaging information on former Vice President Joe BidenJoe BidenDonald Trump and Joe Biden create different narratives for the election Poll: Biden widens lead over Trump to 10 points Biden: 'We are a nation in pain, but we must not allow this pain to destroy us' MORE, a top contender for the Democratic Party's 2020 nomination.

Trump's and Giuliani's efforts to convince Ukrainian officials, including the country's new president, Volodymyr Zelensky, to open criminal investigations into Biden ahead of the 2020 election have been characterized by critics as an attempt to solicit foreign interference in a U.S. election.