Lady Gaga, Kelly Clarkson, Demi Lovato and LMFAO were among the performers to hit the stage at the famed Madison Square Garden for the mega concert.<br /><br />Gaga, who headlined the show, wanted it to be a great one for the sold-out audience.<br /><br />“This was the first concert that I ever went to, so I’m hoping to have a special night for those in the audience,” said the pop superstar.<br /><br />Khloe Kardashian was also on hand, a first for the reality diva. “I’ve been to Jingle Ball in L.A before, never in New York, so I’m really excited. I love it because it’s such a diverse crowd,” she said.