Lindsay Lohan Blows Off Ellen DeGeneres Show Taping  —  Lindsay Lohan bailed on her scheduled “Ellen DeGeneres Show” taping on Tuesday.  —  Gossip Cop has learned the actress did NOT board her flight from Hawaii to Los Angeles.  —  “Not a call or an apology from Lindsay,” a show insider tells us.

Nominations Announced for the 18th Annual Screen Actors Guild Awards®  —  Actor® Awards Ceremony will be Simulcast Live on Sunday, Jan. 29, 2012 on TNT and TBS at 8 p.m. (ET)/5 p.m. (PT)  —  Nominees for the 18th Annual Screen Actors Guild Awards® for outstanding performances …

Fantasia Barrino Welcomes a Baby Boy  —  Fantasia Barrino has a new little backup singer.  —  The American Idol season 3 winner gave birth to a baby boy, Dallas Xavier Barrino, her rep tells PEOPLE.  Baby Dallas made his debut on Tuesday in North Carolina at 7 lbs., 9 oz. and 21 inches long.

Rob Kardashian Is Moving to Dallas with Khloe, Lamar Odom  —  Rob Kardashian better get ready to keep up with some southern gentlemen!  —  According to brother-in-law Lamar Odom, Rob will be joining the NBA star and Khloe in Dallas, Texas.  —  “We'll have the whole family here,” Odom …

Demi Moore: Who Cares If I'm Still “Mrs. Kutcher” on Twitter?  —  Get over yourselves, Tweeps!  —  Nearly a month after she announced the end of her marriage to Ashton Kutcher, Demi Moore's Twitter handle remains “MrsKutcher” — and she's not putting together a think tank or focus group to come up with a new moniker, either.

Melissa Rivers Dating XXX Porn King Steve Hirsch  —  Joan Rivers' only daughter Melissa has been meeting with the king of celebrity sex tapes Steven Hirsch ... but it ain't to star in a XXX flick, TMZ has learned the two are actually dating.  —  Sources close to the couple tell us Melissa …

Angelina Jolie Doesn't Want to Settle Down  —  Angelina Jolie makes no apologies for her nomadic life with Brad Pitt and their six children.  —  In fact, the world-traveling actress doesn't even want to think about not living that way.  —  “I don't want to talk about it,” …

Cameron Diaz & Diddy Get ‘Affectionate’ at Rooftop Bash  —  Nearly a month after they were spotted together at lunch, Cameron Diaz and Diddy are keeping those dating rumors alive after a cozy night out at New York's PH-D Rooftop Lounge atop the Dream Downtown Hotel.

Charlize Theron returns to the dark side in ‘Young Adult’  —  NEW YORK - Charlize Theron won a best-actress Academy Award for playing a physically repugnant killer in 2003's Monster.  But in the black comedy Young Adult, she's just as terrifying, and she looks exactly like herself.

Selena Gomez Is Proposing To Justin Bieber  —  For centuries, women have been trying to figure out how to trick a man into marrying them.  Even ones with giant breasts find themselves desperate and alone with nothing but their giant breasts.  But all that's changed.

Sandra Bullock: Why I Finally Got Back to Work After Divorce, Adoption  —  Louis Bardo Bullock loves his mom — but so do moviegoers worldwide!  —  Over two years after wrapping her last film, her Oscar-winning turn in The Blind Side, Sandra Bullock finally returns to the big screen …

Ryan Gosling's ballet classes  —  Ryan Gosling has started taking ballet lessons in his spare time, and his instructor is impressed with his abilities.  —  Ryan Gosling is taking ballet classes.  —  The ‘Drive’ actor has enrolled in lessons, but is doing so purely for enjoyment rather than to prepare for a new movie role.

Joe's latest babe  —  Joe Jonas is wooing yet another beauty.  Sources say the playboy JoBro is cozying up to Brazilian model Jessica Pott.  They've been seen out at several clubs in the city, including at Meatpacking restaurant Catch last weekend.  Sources said Pott came with two girlfriends …

George Clooney to Star in Dustin Lance Black's Proposition 8 Play  —  George Clooney, left, and Dustin Lance Black … George Clooney has signed to star in the West Coast premiere of 8, a stage play chronicling the historic federal court trial overturning Proposition 8 …

Exclusive: Marc Anthony Throws Tantrum Over Jennifer Lopez's New Beau!  —  Credit: Steve Granitz/WireImage.com; Splash News Online  —  Jealous much?  —  Marc Anthony is up in arms that his ex Jennifer Lopez has moved on since their July split with a much younger man.

Producers Guild to Honor Angelina Jolie's ‘In the Land of Blood and Honey’ With Stanley Kramer Award … The Producers Guild of America announced Tuesday it will honor Angelina Jolie's Bosnian war film In the Land of Blood and Honey with the 2012 Stanley Kramer Award at the guild's annual awards ceremony on Jan. 21.