From Gaga to Garth, Miranda to Moreno, A-list celebs who will attend Joe Biden's inauguration

A steady stream of A-list names has signed on, headlined by Lady Gaga singing the national anthem on the West Front of the Capitol, with Jennifer Lopez and Garth Brooks contributing musical performances. Other top-tier performers will be part of Celebrating America, a 90-minute, multi-network evening broadcast hosted by Tom Hanks that officially takes the place of the usual multiple inaugural balls.