With one more week of Season 3A, Pretty Little Liars will be launching a new web series leading up to the Halloween episode. Called Pretty Dirty Secrets, the eight-episode series airs Tuesdays starting Aug. 28. The series will introduce a new face in Rosewood, Shana (Aerial Miranda), the Halloween store clerk. She will later be seen when the series returns in early-2013.  [ABC Family]

Who’s joining AMC’s The Walking Dead?

A completely original character, as in NOT from The Walking Dead graphic novels is headed to the hit zombie show this fall. Milton, played by The Good Wife’s Dallas Roberts, will be a resident in Woodbury where the Governor (David Morrisey) rules it all. The Walking Dead returns October 14 on AMC. [EW]

Please officially welcome back Michael J. Fox to your TV screens. As previously reported by Celebuzz, all four major broadcast networks were interested in the sitcom the actor was shopping around. And NBC has announced they’ve got it and it’s been given a 22-episode commitment. The show will be based upon his own life as Fox will play a husband and father of three with Parkinson’s. NBC is aiming for a Fall 2013 premiere. [EW]

The ladies who run Vegas are coming to television as TLC has started production on a new series, Vegas High Rollers, which will focus on their lives. The reality show will air eight one-hour episodes and will include peeks into the professional and personal lives of the owners of two successful business enterprises, a daughter of a mob man, the best female poker player in Vegas, an entertainment reporter/former pageant queen and a newbie whose husband built much of the city. [Deadline]

Oprah Winfrey and Rihanna’s intense conversation about Chris Brown and other topics in Oprah’s Next Chapter garnered killer ratings on Sunday night.  It ranked No. 1 in its time period across all key female demographics and No. 2 in all primetime overall ad-supported cable. The show was also No. 1 in its time period among all broadcast and ad-supported cable for woman 18-49. [OWN]

Justified alum Neal McDonough is playing politics on Episode 4 of the new season of CSI:NY as Senator Gordon Hamilton. Described as the “ultimate politician,” he’ll find himself in a sticky situation when a shootout erupts at a rally. [TVLine]

• Here is a surprise: Miley Cyrus is apparently getting slammed by critics for her “stiff” performance in The Last Song. (PopEater)

• PETA reportedly wants Angelina Jolie to become their new spokesperson. Men everywhere wait with baited breath for Angie to appear nude in one of PETA’s famous “I’d rather go naked than wear fur” campaigns. (LimeLife)

• Actor Neal McDonough was fired from new TV show Scoundrels for refusing to participate in a sex scene with Virginia Madsen. Come on dude, she isn’t that bad-looking. (Starpulse)

•Speaking of leaving TV shows, S. Epatha Merkerson (aka, Lt. Van Buren) is leaving Law & Order after 16 years on the job. But she will always live on in the thousands of syndicated episodes that always seem to be playing at any given time on TV. (Hufftington Post)

• Just in case you were staying up at night worrying about it, Reno 911! star and current Dancing With The Stars contestant, Nicey Nash, says she loves her infamous booty. (Bossip)

While she hasn’t always been lucky in her off-screen love life, Nicollette Sheridan‘s television marriage is coming to an amicable end.

Celebuzz caught up with Sheridan’s Desperate Housewives groom Neal McDonough last night at the Street Fighter IV video game launch in Downtown Los Angeles, where he filled us in on the blonde’s departure and future plans.

“[Her leaving] was between her and the producers, she wanted to do certain things. But besides that its been a very happy ending. It’s great for everyone,” McDonough said.

And what’s next for the former Michael Bolton flame?

“She’s going to take a little relaxation time. She’s worked her ass off on the show for five years now, she’s been in television for like 20 years,” said the actor, who plays the criminally insane Dave Williams on the ABC hit.

“She’s going to relax for a while and chill.”