Paul McCartney Joins iHeartRadio Festival Lineup, Added To Ranks Of Elton John, Katy Perry, Justin Timberlake, Miguel

Sir Paul McCartney has signed on to headline yet another music festival. The next stop on Macca's Magical Mystery Tour of Crunchy Campgrounds is the iHeartRadio Festival in Las Vegas, joining an already insanely star-studded lineup. 

McCartney will perform on the second day of the sold-out festival which runs September 20-21 at the MGM Grand Arena.

Festival headliners include Elton John, Tiesto, Katy Perry, Fun., Chris Brown, Benny Benassi, Miguel, Zedd, Justin Timberlake, Bruno Mars, Maroon 5, Queen (with Adam Lambert) and Phoenix, among others.

Additional acts like Miley Cyrus, AWOLNATION, The Wanted, Jason Derulo and The Band Perry will play the festival village. a four-acre stretch of land on the Vegas strip, on Saturday afternoon.

While tix to the event are long gone, music lovers can still hear the festival broadcast live over 150 Clear Channel stations.

McCartney is scheduled to play Saturday night and festival organizers are understandably jacked about snagging the former Beatle.

"After only two years, the iHeartRadio Music Festival has attracted the biggest music artist in the world," festival excutive producer John Sykes said in a statement.