Gaga has been a vocal supporter of Biden, appearing at his campaign finale in Pittsburgh in November; while Lopez has been outspoken in recent months about COVID-19 relief efforts.
Biden will be sworn in as the 46th president of the United States at noon January 20 on the Capitol steps in Washington, D.C. Kamala Harris will take the oath as the new vice president.
US President Donald Trump will leave Washington on Wednesday morning, hours before the inauguration of his Democratic successor Joe Biden, an official said Friday on condition of anonymity. O'Donovan will lead the invocation, while Rev. Dr. Silvester Beaman, pastor of Bethel African Methodist Episcopal Church, will lead the benediction.
"We are thrilled to announce an inspired group of dynamic participants for the 59th Inaugural Ceremonies", the statement read in part.
"Chromatica II" into "911", but it's Joe Biden putting his hand on the Bible and taking the oath of office.
The presenters reflect Biden and Vice President-elect Kamala Harris' "steadfast vision of a new chapter in our American story in which we are an America united in overcoming the deep divisions and challenges facing our people, unifying the country, and restoring the soul of our nation", it added.
The 90-minute show entitled "Celebrating America" will feature musical performances from Jon Bon Jovi, Justin Timberlake and Demi Lovato. Trump got a head start in 2017 when he inherited about 12 million followers of @POTUS from President Barack Obama's tenure, plus millions of followers from other official accounts.
Actor Tom Hanks has been tapped to host, and he'll be joined by a number of music artists to celebrate the (usually) peaceful transfer of power, considered to be the hallmark of American democracy.
Trump, who announced on January 8 that he would not attend Democrat Joe Biden's inauguration, is planning to hold his event at Joint Base Andrews in Maryland, where Air Force One is headquartered, the source said.