Former "American Idol" contestant Brittany Kerr has shut down her Twitter page ... after a gang of angry Jason Aldean fans BLASTED the singer online -- calling her everything from a "skank" to a "homewrecking whore."

The cyber-hate came flooding in after TMZ posted the pics of Aldean -- a huge country singer who happens to be MARRIED -- putting the moves on Kerr at a crowded bar on the Sunset Strip.

Jason said: "I ultimately ended up embarrassing my family and myself. I'm not perfect, and I'm sorry for disappointing you guys," Aldean continued in his statement. "I really appreciate being able to work through this privately with my family and for all your continued support."

Read more: http://www.tmz.com/2012/10/01/brittany-kerr-twitter-page-jason-aldean-cheating/#ixzz285016n2A