Beyonce, Usher, Mariah Carey Perform For Gadhafi Parties? [VIDEOS]

The world is watching the events in Libya unfold - and lots of controversy getting stirred up about artists like Beyonce, Usher, and Mariah Carey getting paid TONS of money to perform at lavish private parties financed by Moammar Gadhafi and his sons.  A-list celebrities like Jay-Z, Lindsay Lohan, Jon Bon Jovi in attendance as well.  More on the story, and some videos from the party:

MSNBC video about some of the New Year's bashes thrown by the Gadhafis.

YouTube video of Beyonce's reported $2M performance.

Beyonce performing "If I Were A Boy" at Gadhafi's party.

Some people are calling on US celebrities to stop accepting "blood money" from people like the Gadhafis.   What do you think - wrong, or just business?