Rockin' with Diane Sawyer!

ABC has released the 2007 Summer Concert Series for Good Morning America.

Bryant Park will play host to the GMA Concerts beginning May 18th. The concerts will take place during GMA on Fridays from 7am-9am EST.

There's a little something for everyone! Disney, Country, Rock, R&B, and more!

Here's the list so far (more to be announced):

May 18th - Rascal Flatts
May 25th - Fergie
June 1st - Daughtry
June 8th - Robin Thicke
June 15th - Brad Paisley
June 22nd - Miley Cyrus as Hannah Montana
June 29th - Patti LaBelle
July 6th - Norah Jones
July 13th - TBA
July 20th - John Mayer & special guest
July 27th - Sugarland
Aug 3rd - John Legend
Aug 10th - TBA
Aug 17th - TBA
Aug 24th - TBA

Any ideas on who John Mayer's special guest will be? Is it Jessica Simpson and they leave it as special guest in case the break up before then? Hmmmm...