Opera tenor Christopher Macchio will sing the national anthem at the presidential inauguration in front of a smaller live ...

Tate McRae, Gwen Stefani and Katy Perry are also set to take the stage for the benefit show, as will John Mayer and Dave ...

The FireAid benefit concert with Lady Gaga, Billie Eilish, Green Day and other major acts will take place Jan. 30 in LA. Here ...

We can't get enough of these two.