Trump vs Harris Presidential Debate Live Updates: High-stakes showdown underway

Harris and Trump will have a handful of surrogates representing them in the spin room following the debate.

Harris and Trump will have a handful of surrogates representing them in the spin room following the debate.

Harris will have Govs. Josh Shapiro of Pennsylvania, Gavin Newsom of California, Roy Cooper of North Carolina and Michelle Lujan Grisham of New Mexico representing her in the spin room post debate, a campaign official confirmed to ABC News.

In addition to attending a watch party hosted by the Trump campaign, GOP vice presidential nominee Sen. JD Vance will also participate in the spin room.

Robert F. Kennedy Jr., Gov. Doug Burgum, tech entreprenuer Vivek Ramaswamy, Sen. Marco Rubio, Rep. Bryon Donalds, and Sen. Rick Scott are also expected to appear on behalf of Trump.

Rep. Bryon Donalds talks to ABC News ahead of the ABC News debate.

Tonight's consequential presidential debate hosted by ABC News will consist of set rules to govern the matchup, restricting candidates' speaking time, microphone access, and engagement with campaign staff.

ABC7 Chicago's Liz Nagy goes through each of the 16 rules in the ABC debate between Vice President Kamala Harris and former president Donald Trump.

There will be no audience present, and questions will come strictly from the moderators.

After winning the virtual coin flip, former President Trump will offer the final closing statement.

After winning the virtual coin flip, former President Trump will offer the final closing statement. ABC News correspondent Jay O'Brien gives a behind-the-scenes look of the ABC News' debate spin room.

Read more here.

The Harris campaign will fly a drone show over the Philadelphia Art Museum from 8:05 to 8:25 p.m. ET at the famous Rocky Steps, just prior to the debate on Tuesday.

The show will add onto the campaign's Philly-themed advertising and recent ad mocking Trump and crowd sizes, according to campaign spokesperson Kevin Munoz.

6abc Action News got an exclusive look at the stage where fmr. President Donald Trump and Vice President Kamala Harris will debate in Philadelphia.

6abc Action News got an exclusive look at the stage where former President Donald Trump and Vice President Kamala Harris will debate in Philadelphia.

The podiums are just a few steps from the moderators' desk - and from each other.

Sharrie Williams takes us inside the space that will be at the center of the political world on Tuesday night.