Miranda Lambert is fired up that well known temper of hers via Twitter, wondering why the R and B singer who infamously assaulted his then girlfriend Rihanna in 2009 got so much exposure at this weekend's Grammys.  "Chris Brown twice? I don't get it. He beat on a girl ... Not cool that we act like that didn't happen. He needs to listen to Gunpowder and lead and be put back in his place. Not at the Grammys," she tweeted.   Yikes!  As you know, Miranda was referring to her song of the same name, in which a woman readies to kill her abusive husband when he gets home.  "His fist is big but my gun's bigger. He'll find out when I pull the trigger."   Toofab.com reports our Texas girl isn't the only one upset as "Modern Family" actor Eric Stonestreet said, "Are Chris Brown's mom and dad CBS and Grammy Brown?"   "Looks like all is forgiven (with) Chris Brown," the View's Sherri Shepherd tweeted. "That's all I'll say."  Read more here.   Brown had pleaded guilty to assaulting Rihanna on the eve of the 2009 Grammys.   He was sentence to five months probation, six months of community labor, and ordered to stay 50 yards away from Rihanna, though that was reduced to only 10 yards if they attended a music event together.    On Grammy night, Brown posted, "Team breezy we have come along way and I'm so appreciative of you guys!!!! No matter what anyone says.... WE MADE IT!!"   Yesterday, Mashable.com said the singer fired back at those who called him out, "HATE ALL U WANT BECUZ I GOT A GRAMMY Now!"   There was more, but his handlers apparently took the rants down when the profanity kicked in.  What do you think?