Top 10 WORST National Anthems.

Here's Billboard's list of the 10 worst National Anthem performances ever:

10. Keri Hilson, 2010 at an NBA Lakers vs. Hawks game

9. Josh Groban and Flea, 2010 at the BCS championship game

8. Christina Aguilera, 2011 at the Super Bowl

7. R. Kelly, 2005 for a boxing bout

6. Steven Tyler, 2007 AND 2012 at the AFC Championship Game.

5. Aaron Neville, Aretha Franklin and Dr. John, 2006 at Super Bowl XL

4. Scott Stapp, 2005 at the NASCAR Ford 400

3. Michael Bolton, 2003 at a Red Sox vs. Yankees baseball game

2. Roseanne Barr, 1990 at a San Diego Padres game

1. Kat DeLuna, 2008 at a Dallas Cowboys game

SOURCE AND VIDEOS