The funeral service for former President George H.W. Bush is bringing political opposites together.

Shortly ahead of the service for the 41st president at Washington National Cathedral, Chelsea Clinton, the daughter of former President Clinton and former Secretary of State Hillary ClintonHillary Diane Rodham ClintonFBI’s top lawyer believed Hillary Clinton should face charges, but was talked out of it Harris adds key Clinton aide, women of color to 2020 campaign: report Democrats more likely Trump's foil, than to foil Trump MORE, was seen in conversation with Vice President Pence.

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President TrumpDonald John TrumpJustice Department preparing for Mueller report as soon as next week: reports Smollett lawyers declare 'Empire' star innocent Pelosi asks members to support resolution against emergency declaration MORE's daughter Ivanka TrumpIvana (Ivanka) Marie TrumpTrump, Harris, Ocasio-Cortez, Charlie Kirk among Twitter's most-engaged users Ivanka must recalibrate her paid family leave plan to make it tenable Four names emerge for UN position: report MORE and her husband Jared KushnerJared Corey KushnerFive things to know about Trump confidant Tom Barrack Dems open new front against Trump Dems launch investigation into Trump administration's dealings with Saudi Arabia MORE, both senior White House advisers, were eyed having what appeared to be a friendly chat with Senate Democratic Whip Dick DurbinRichard (Dick) Joseph DurbinDurbin: Trump pressuring acting AG in Cohen probe is 'no surprise' Durbin after reading Green New Deal: 'What in the heck is this?' Sanders: 'Not crazy' about nixing the Senate filibuster MORE (Ill.).

The Wednesday service marks the first time since his inauguration that President Trump is face to face with political figures with whom he’s been critical, including former President Obama and Hillary Clinton, the 2016 Democratic presidential nominee, among others.

Obama was seen shaking hands with first lady Melania TrumpMelania TrumpTrump, Harris, Ocasio-Cortez, Charlie Kirk among Twitter's most-engaged users The Hill's 12:30 Report: Sanders set to shake up 2020 race Fashion designer Karl Lagerfeld dies at 85 MORE as she and her husband entered the funeral service. The first lady also greeted former first lady Michelle ObamaMichelle LeVaughn Robinson ObamaObama attends UNC-Duke basketball game Obama introduces himself as 'Michelle's husband' at leadership forum The Hill's Morning Report - Can Bernie recapture 2016 magic? MORE and former President Clinton.

President Trump shook hands with his predecessor and Michelle Obama as he sat down for the service.