By Adam S. Levy - Breaking Celebrity News Staff Writer

Mike & Molly star Melissa McCarthy perhaps provided the most memorable moment of the night at Sunday's 63rd Primetime Emmy Awards, delivering a heartfelt and emotional speech as she claimed the honors for best lead actress in a comedy.

Her surprising win came with plenty of pageantry -- literally -- as when presenters Rob Lowe and Sofia Vergara began announcing the nominees, Amy Poehler walked onto the stage, spurring the other nominees (Tina Fey, Martha Plimpton, Edie Falco, Laura Linney) to follow her lead.

With the nominees standing alongside one another a la Miss America, Lowe said, "I just wanna say girls, everyone is a winner and I know you're gonna serve this body with distinction.

"And the Emmy goes to ... Melissa McCarthy!”

The crowd erupted as the 41-year-old Bridesmaids star, a decided underdog