A morning mix of entertainment headlines...

Green Day’s Billie Joe Armstrong: not back onstage for a while longer. (© Steve Marcus / Reuters/Reuters)

Green Day has canceled the rest of its 2012 tour dates and postponed some early 2013 shows as frontman Billie Joe Armstrong continues his treatment for substance abuse. The third album in its trio of consecutive releases — “¡Tre!” — has been bumped up from January to December to compensate for the lack of concerts. (Vulture)

Emma Roberts dressed for Halloween as her aunt Julia Roberts’s character in “Pretty Woman.” Which is interesting. Arguably more interesting: that her boyfriend, “American Horror Story: Asylum’sEvan Peters, apparently went as a grunge cowboy while some guy standing behind him was wearing the same face make-up Tate wore on “American Horror Story.” Frea-ky! (Buzzfeed)

Pippa Middleton is dating an investment banker named James Matthews, according to Us Weekly and the Daily Mirror. It’s unclear whether it’s a serious commitment or just an attempt to diversify her options. (Sorry, this item required a bad financial joke. Quota just met.) (Us Weekly; Daily Mirror)

A man named Victor Sneed is reportedly suing Russell Brand for hitting him with his car last January in L.A. Sneed filed the suit in L.A. Superior Court and, according to TMZ, is suing for more than $25,000. (TMZ)

George Clooney is apparently assembling a dream team cast for his next directorial effort, the World War II film “The Monuments Men.” Cate Blanchett, Bill Murray , Daniel Craig, John Goodman and Jean Dujardin are among those who may star. (Entertainment Weekly)

Edward Furlong was arrested at LAX for domestic violence this morning, according to TMZ, after allegedly grabbing his girlfriend’s arm during an argument. (TMZ)

Up All Night” will make the exceedingly rare switch from a single-camera format to a multi-camera, traditional sitcom approach. Starting next year, it also will be recorded before a live audience. (Entertainment Weekly)

In other NBC comedy news, there will be no “Office” spinoff involving Rainn Wilson’s Dwight Schrute. (Vulture)

“Anderson,” Anderson Cooper’s daytime talk show, has not been picked up for a third season. The final episodes will air next summer. We’ll miss moments like this, Mr. Cooper. (TV Column; Reuters)