Twitter loved Chance's skit asking for Barack to come back.
Barack and Michelle Obama also welcomed guests Nas, The National, and Gloria Estefan.
Michelle Obama, meanwhile, will be painted by Baltimore-based Amy Sherald.
The traditional inauguration letter is now public.
The former President quoted Nelson Mandela in response to the weekend’s violence.
Read Barack Obama's Facebook post about the Republican health care plan.
Barack Obama Just Backed Emmanuel Macron To Become President of France
Barack Obama's presidential library will have a recording studio on the grounds.
Watch Chris Rock Remember Obama’s Last Night In The White House
President Barack Obama is reportedly slated to deliver a speech at a Wall Street healthcare conference this September.
Watch Barack Obama's first post-presidency appearance.