Inaugural music festival in Las Vegas will also include Jennifer Lopez, Steven Tyler and Carrie Underwood

Legendary member of E Street Band's last gig was playing with Lady Gaga on "American Idol" finale

E Street Band saxophonist showing signs of recovery; pal calls bounce-back "nothing short of miraculous"

Gaga has nearly 10.6M to his nearly 10.1M. Kutcher's number is too shamefully low to include here

An Amazon cloud deal, iTunes sales and giveaways at Best Buy could power first week purchases to the elusive 1 million mark

Part 2 of 3-part series: How Lady Gaga cannily patterned her success on another blonde icon -- Madonna -- even while denying that she was

Deals with Sprint, Estee Lauder and Polaroid keep this Gonzo rocker rolling in dough

In case you're wondering, Justin and Andy report that "It's not gay in a three-way" when Lady Gaga's involved. That's settled | VIDEO

The "Born This Way" singer's mentoring stint leads Fox's singing competition to a 5 percent increase

And what it is this pro-James, anti-Haley bias the judges have?

"Born This Way" singer will teach the remaining "Idol" aspirants about the art of freaky showmanship