Trump's attitude towards the worldwide summit is already causing some reaction online.
He is not expected to stay till the end of the summit.
Trump will arrive Friday at the annual gathering, held this year at a Quebec resort, but will leave Saturday morning before the event is over, heading to Singapore for his highly anticipated summit with North Korean leader Kim Jong Un.
The main meetings will be held two-and-a-half hours north of Quebec City - and of the worldwide media centre housing most of the reporters following the summit - in La Malbaie, Charlevoix.
In fact, the simmering US trade dispute with its G7 partners - Japan included - didn't even warrant a mention during Abe's joint news conference with Trump, allowing the president to project an aura of worldwide statesmanship sure to be tested in Quebec's scenic Charlevoix region.
"I don't know if they were surprised with President Trump's free trade proclamation, but they certainly listened to it and we had lengthy discussions about that", Kudlow said at the press conference.
NERVOUS MARKETS: Trump, who aides said has scant interest in multilateralism, is set to have bilateral meetings with French President Emmanuel Macron and Canada's Trudeau at the summit. "They should let Russian Federation come back in, because we should have Russian Federation at the negotiating table".
Trump repeatedly praised Putin during the 2016 campaign.
"Every topic we discuss needs to reflect on its impact on women as well as further intersectionalities, whether it be race, gender identity or background or cultures", he said.
Canada and other US allies are retaliating with tariffs on USA exports.
"The relationship that I've had [with the other leaders] is great, so you can tell that to your fake friends at CNN", the president told one reporter.
"It's very unfair to our farmers".
Trump, who angered his G7 partners last week with tariffs on steel and aluminum imports from Canada, the European Union and Mexico as part of his "America First" agenda, vowed to hold firm until us goods had "fair" access to markets. "If it doesn't happen, we come out even better!"
Donald Tusk, who as president of the European Council is at the summit representing the EU, said the Trump administration and the rest of the group have clear differences on trade, climate change and the Iran nuclear deal. But the president's Twitter feed Thursday suggested he'll arrive in Quebec with his elbows up.
"I would say that the level of relationship is a 10".
Trudeau said he would continue to stand up for Canadian dairy producers and the country's supply management system.
The United States and European Union will establish a dialog on trade within the next two weeks, a French official said on Friday, signaling a modest step forward for bitterly divided allies at a Group of Seven summit in Canada.
He said while the US has kept its tariffs low to promote global free trade, other countries have left protectionist policies in place, disadvantaging the U.S.
Trudeau has worked hard to find common ground with the unpredictable president, but the personal bond he has tried to forge has been strained.
Mr Trump said: "That's the way it should be".
"What worries me most is that the rules-based worldwide order is being challenged", Donald Tusk, the chairman of European Union leaders, said at a news conference just prior to the start of the G-7 talks. They can't believe they got away with it [for so long].