Inaugural Ball Photos: Alicia Keys, Katy Perry and the 10 Best Celebrity Shots

It wouldn't be an Inaugural Ball without a slew of celebrities, and they were out in spades last night for Obama's second inauguration. Here's 10 of the best shots, courtesy of the Mirror and Huffington Post:

1. Alicia Keys, wearing red to a Democratic president's inauguration. (In fact, there's a distinct lack of blue throughout the entire event.)

Photo Credit: (Getty) 

2. ...David Arquette managed to scalp a ticket, I guess? Also, dude: too much off the sides.

Photo Credit: (Getty)

3. Eva Longoria looking pretty in pink. Unrelated: her name sounds like a vampire's.

Photo Credit: (Getty)

4. Diamond Joe and Jamie Foxx, announcing their candidacy for co-Presidents in 2016.

Photo Credit: (Getty)

5. Someone told will.i.am that the theme was 'Faith in America', not 'A Christmas Carol', right?

Photo Credit: (Getty) 

6. John Mayer and Katy Perry look like they're here to kill someone. Wait. It's the Inauguration. I can't make that joke.

Photo Credit: (AP)

7. I actually have no idea who John Legend is, but he managed to smuggle his girlfriend Chrissy Teigen in.

Photo Credit: (Rex)

8. Jay-Z and Beyonce making an entrance at the Inaugural Ball. 

Photo Credit: (Getty)

9. Dude, I get it. You're really cool. But you still look like an idiot wearing sunglasses indoors. (Beyonce: Don't change a thing.)

Photo Credit: (Getty)

10. Chin up, beautiful woman. You will survive this Knight ... er ... night.

Photo Credit: (Jewel Samad/AFP)