Al GoreAlbert (Al) Arnold GoreKamala Harris says she is open to abolishing Electoral College Dem lawmaker says Electoral College was 'conceived in sin' as way to perpetuate slavery O'Rourke sees 'a lot of wisdom' in abolishing Electoral College 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 MikulskiBottom Line Listen, learn and lead: Congressional newcomers should leave the extremist tactics at home The Hill's Morning Report — Pelosi to reclaim Speakership amid shutdown 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 ShaheenSenate Dems petition Saudi king to release dissidents, US citizen Senators offer bipartisan bill to fix 'retail glitch' in GOP tax law Overnight Energy: EPA moves to raise ethanol levels in gasoline | Dems look to counter White House climate council | Zinke cleared of allegations tied to special election MORE (N.H.), Sheldon WhitehouseSheldon WhitehouseDems introduce bill requiring disclosure of guest logs from White House, Trump properties Sanders announces first staff hires in Iowa, New Hampshire McConnell works to freeze support for Dem campaign finance effort MORE (R.I.), Bill NelsonClarence (Bill) William NelsonEx-House Intel chair: Intel panel is wrong forum to investigate Trump's finances The Hill's Morning Report - Trump budget reignites border security fight 2020 party politics in Puerto Rico MORE (Fla.) and Jeff MerkleyJeffrey (Jeff) Alan MerkleyBusiness groups urge Congress to combat LGBTQ discrimination in workplace Overnight Energy: EPA moves to raise ethanol levels in gasoline | Dems look to counter White House climate council | Zinke cleared of allegations tied to special election Will Washington finally do something about high drug prices? MORE (Ore.); House Minority Leader Nancy Pelosi (Calif.); and Reps. Steny Hoyer (Md.), Suzanne BonamiciSuzanne Marie BonamiciOvernight Energy: Ocasio-Cortez rolls out Green New Deal measure | Pelosi taps members for climate panel | AOC left out | Court reviews order for EPA to ban pesticide Ocasio-Cortez: ‘I truly do not’ believe Pelosi snubbed me on climate change panel Pelosi names Dems to new climate panel — but not AOC 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."