Al GoreAlbert (Al) Arnold GoreHamas attacks Israel — and the world condemns Israel Al Gore: Trump should fire Pruitt Dems seize on gun control heading into midterms MORE came prepped with a sweet surprise for a former colleague at the D.C. premiere of his documentary "An Inconvenient Sequel: Truth to Power."

The  former vice president briefly broke away from the green carpet at the Washington screening to present former Sen. Barbara MikulskiBarbara Ann MikulskiDems ponder gender politics of 2020 nominee Robert Mueller's forgotten surveillance crime spree Clinton: White House slow-walking Russia sanctions MORE (D-Md.) with a birthday cake on Wednesday night. The nation's longest-serving female lawmaker turned 81 on Thursday.

"He knew that my birthday is tomorrow, and he knew that I like to count the twinkles instead of the wrinkles," Mikulski exclaimed to ITK at the movie's premiere at the Newseum. "And he very gallantly gave me a birthday cake."

The white frosted cake came decorated with raspberries and gold foil pieces, with "Happy Birthday Barb" scrolled onto it.

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"I've known Vice President Gore since we served in the House of Representatives together. We were on the [House Energy and Commerce Committee] together. So we've known each other for more than 30 years," Mikulski said of her history with the environmental advocate.

Asked whether Gore had shared a personal birthday message, Mikulski replied, "We both say: Be defiant and never compliant."

Mikulski, who retired last year, then offered her support of Gore's sequel to his 2006 Oscar-winning climate change documentary, "An Inconvenient Truth."

"What we really talked about was this movie and the whole idea of helping young people who've been out protesting, to focus really on how do we go from outcry to outcome?"

"Show your passion," Mikulski advised. "Show what you don't like. But for every opposition, let's now have a proposition that makes the world a better place and a safer place."

A bevy of Democratic lawmakers turned out for the VIP event ahead of the movie's nationwide Aug. 4 premiere, including Sens. Jeanne ShaheenCynthia (Jeanne) Jeanne ShaheenSenators pledge to pursue sanctions against Turkey over imprisoned American pastor Dems walk tightrope on Pompeo nomination Menendez rips characterization of Pompeo as 'nation's top diplomat' MORE (N.H.), Sheldon WhitehouseSheldon WhitehouseOvernight Energy: Dems raise new questions about Pruitt's security | EPA rules burning wood is carbon neutral | Fourth GOP lawmaker calls for Pruitt's ouster | Court blocks delay to car efficiency fines Dems: Pruitt’s office security sweep was subpar Dem senators demand Trump explain ties to Koch brothers MORE (R.I.), Bill NelsonClarence (Bill) William NelsonWinners and losers from Jim Bridenstine’s confirmation as NASA administrator Vulnerable Senate Dems have big cash advantages Overnight Energy: Senate confirms Bridenstine as NASA chief | Watchdog probes Pruitt’s use of security detail | Emails shine light on EPA science policy changes MORE (Fla.) and Jeff MerkleyJeffrey (Jeff) Alan MerkleyOvernight Energy: Senate confirms Bridenstine as NASA chief | Watchdog probes Pruitt’s use of security detail | Emails shine light on EPA science policy changes 32 male senators back Senate women's calls to change harassment rules Duckworth brings her baby to Senate vote, drawing a crowd MORE (Ore.); House Minority Leader Nancy Pelosi (Calif.); and Reps. Steny Hoyer (Md.), Suzanne BonamiciSuzanne Marie BonamiciSpending bill prevents employers from pocketing tips under tip-pooling rule GOP chairman questions US funding for international cancer research agency Dems want info on Labor Dept hiding unfavorable report on impacts of tip-pooling rule MORE (Ore.), Carolyn Maloney (N.Y.), Jim McGovern (Mass.), Debbie Dingell (Mich.), Tom O'Halleran (Ariz.), Tom Suozzi (N.Y.), Danny K. Davis (Ill.) and Alan Lowenthal (Calif.).

ITK asked Mikulski her attitude about birthdays and turning another year older.

"Well, I like them," she said with a grin. "It's better to have them than not to have them."