Taylor Swift, Lil Wayne and many more at iHeart Radio Music Festival 2012

Today kicks off the iHeart Radio concert festival event in Las Vegas. Major acts like Rihanna, Lil Wayne and Linkin Park are attending.

The two-day event will be take place at the MGM Grand Hotel and Casino in Las Vegas. Yahoo! reports that the live event is deemed the the Biggest Live Music Event in Radio History." Yahoo has partnered with the concert sponsor Clear Channel to stream the event live on the web.

Some of the scheduled acts include Taylor Swift, Bon Jovi, Aerosmith, Mary J. Blige, Pitbull and the recently reunited No Doubt.

Tickets for the event have been sold out. This is the second year for the annual concert festival. The festival has proven successful and is making its mark in historic concert events.

A-listers are excited about mingling with one another and viewing each others performances. The Associated Press reports that country star Brad Paisley is anxious to see Calvin Smith perform. Concert host Ryan Seacrest deems the stature of the performers at the event as what makes the festival so unique.

Seacrest commented, To see all those artists backstage is kind of cool, because this is the type of environment where there are so many artists and there's such little space that they end up mingling together.

Fans can view the event at http://www.iheart.com/