Joe Biden

"The cat is going to dominate the internet."

K-pop fans hilariously hijacked the nonsensical hashtag.

May the odds be ever in Gaga's favor.

She's blocked no more!

She performed a piece titled "The Hill We Climb."

Demi Lovato, Justin Timberlake and more performed at the presidential special.

Stars rejoiced in the new U.S. president.

JLo wants America to get loud.

Gaga brought her signature pop icon flair to the historic ceremony.

The band will be performing at his inauguration concert, and it'll be a full-circle moment.