House and Senate members broke into a rendition of “Happy Birthday” during Tuesday's State of the Union address to celebrate a survivor of the Holocaust and last year's Tree of Life synagogue shooting.

Judah Samet attended the address as a guest of the White House. President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE acknowledged him in the crowd, prompting a standing ovation, and noted it was Samet's 81st birthday.

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Attendees then broke into song, with Trump mock-conducting from the dais.

“Thank you!” Samet shouted.

“They wouldn't do that for me, Judah,” Trump joked, before continuing with his speech.

Congress sings "Happy Birthday" to Pittsburgh mass shooting survivor and Holocaust survivor, who turns 81 today.



"They wouldn't do that for me, Judah," Pres. Trump jokes. https://t.co/aiCxLU221a pic.twitter.com/Tv3mrz095v — ABC News (@ABC) February 5, 2019

Samet is a member of the Tree of Life Synagogue in Pittsburgh, where a gunman opened fire last October, killing 11 people.

The White House also hosted Timothy Matson, a member of the Pittsburgh Police Department who suffered multiple gunshot wounds while responding to the shooting.

Trump recognized Matson's efforts, prompting another standing ovation from attendees.