ATL Falcons Sidelines Packed With Huge Stars ... Usher, Ludacris, Jeezy (VIDEO)

The Atlanta Falcons had some major celebrity support on the sidelines during the NFC championship -- Usher, Ludacris, Jeezy, Jermaine Dupri, Bow Wow, Da Brat and more ... and TMZ Sports has the footage.

Dirty Bird Nation represented strong -- and the fact the Falcons CRUSHED Aaron Rodgers and the Green Bay Packers meant everyone was in a great mood the entire afternoon!

Ray Lewis was also there!

Nothing brings people together like winning!