Britney Spears Lucky Mag Says SO SORRY Over Pic

10/28/2012 6:06 AM PDT

Britney Spears -- Lucky Mag Says 'So Sorry' Over Photo

The Britney Spears cover photo for the recent issue of Lucky magazine was TRASHED so fiercely  ... the mag took the unprecedented step of apologizing on Twitter. 

The photo, which shows Brit Brit in what can only be described as a really bad wig, triggered a firestorm on the Internet, and especially Twitter.

The mag couldn't ignore the backlash, so it tweeted an apology, saying, "Thank you all for sharing your thoughts on our cover! As always, we will share with our team and we're sorry to have let some of you down."

Still, considering the various incarnations of Britney's "hair," we gotta ask ...