President-elect Joe Biden's victory on Monday was formalized after electoral votes were officially submitted following November's election.
Biden, who spoke later in the evening, received over 270 electoral college votes to secure the presidency and stars took to social media to share their thoughts throughout the day.
"CONGRATULATIONS President Biden & Vice President Harris!!!!!" tweeted Debra Messing.
"Joe Biden won again!" said actor-director Rob Reiner. "Donald Trump, inarguably the worst President in US history, lost again."
CELEBRITIES REACT TO JOE BIDEN DEFEATING DONALD TRUMP TO BECOME 46TH PRESIDENT OF THE UNITED STATES
"And IT’S FINALLY OFFICIAL! #JOEBIDEN IS THE PRESIDENT~ELECT OF THE UNITED STATES," Bette Midler exclaimed. "THE ELECTORAL COLLEGE HAVE CAST THEIR VOTES. THE INSTITUTIONS HELD."
"It’s official. We did it!" wrote George Takei. "#Biden #ByeDon."
JOE BIDEN'S ELECTION UPDATE SPEECH DRAWS CELEBRITY REACTIONS
"Congrats to #JoeBiden on being certified President," said Josh Gad. "And thank you to Donald Trump & his allies 4 being so gracious in defeat & accepting the results so humbly. It’s really nice to see such great adherence to Democratic norms...like threatening electors with violence. Oh, wait..."
Antonio Sabato Jr., on the other hand, wasn't so pleased.
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"LIONS DONT CARE WHAT SHEEP SAY OR DO SO KEEP SHEEPING AWAY," he tweeted on Monday night. "#TRUMPLANDSLIDE #WEWON."
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The count was divided with 306 for Biden and 232 for Trump. Biden will be sworn into office on Wed. Jan. 20.