Viewers were reminded of the former president's warmth in the film, which premiered Friday.
“I miss you and love you all,” wrote Pete Souza in the message of support.
Due out in September, "The Way I See It" chronicles Pete Souza's trajectory from award-winning photojournalist to vehement Trump critic.
This one really leaps off the page.
Pete Souza shared an old picture of the Obamas walking to St. John's Church. It's in stark contrast to Trump's latest photo-op.
“Tradition. Respect. Class. Remember that?” asked Pete Souza.
Pete Souza hinted at what was happening at the precise moment he took “The Situation Room Photograph” in a 21-minute video explainer on Instagram.
"You make even the coldest days feel warm," the former first lady captioned her cute snap of Barack and their daughters playing in the snow.
Pete Souza said Obama “laughed out loud” at the 2010 image he shared on Instagram — but imagined Trump having a very different response.
"How hard is this?" Pete Souza said, with an Obama-era throwback pic.