Kevin Costner to Speak at Whitney Houston's Funeral: Source  —  Kevin Costner, the leading man who costarred with Whitney Houston in her greatest movie hit, The Bodyguard, is planning to speak at her funeral this weekend, a family source tells PEOPLE.  —  In addition, both Aretha Franklin …

Chris Brown — Don't Tell ANYONE I Was at Rihanna's Birthday  —  Don't Tell ANYONE  —  I Was at Rihanna's Birthday  —  Chris Brown was so paranoid about keeping his attendance at Rihanna's birthday party a big fat secret — he actually tried to FORCE partygoers to sign confidentiality agreements ... TMZ has learned.

Colbert tops show for mom  —  Stephen Colbert shut down his late-night comedy show this week for his ailing 91-year-old mother, sources close to the show said yesterday.  —  The actor caused a stir yesterday when he said only that he was canceling the shows due to “unforeseen circumstances.”

Marcia Gay Harden Files for Divorce  —  Marcia Gay Harden and Thaddaeus Scheel in 2009  —  Marcia Gay Harden has decided to end her marriage.  —  After 15 years of marriage, the Oscar winning actress has filed for divorce from her husband, Thaddaeus Scheel, her rep tells PEOPLE exclusively.

Janet Jackson in Preliminary Talks to Join ‘The X Factor’  —  Sources tell THR that the pop icon has expressed interest in the show, but discussions are still in the early stages.  —  Could Janet Jackson be joining The X Factor?  —  Just one week after The Hollywood Reporter broke news …

Bobby Brown — ‘You Have to Move On Sometimes’ [VIDEO]  —  ‘You Have to  —  Move On Sometimes’ [VIDEO]  —  Bobby Brown gave an emotional tribute to Whitney Houston during a New Edition concert in Mississippi last night ... and then he totally RUINED the moment.

‘Voice’ Judges All Returning for 3rd Season — in the Fall (Exclusive)  —  All four “Voice” judges will return to the NBC hit for a third season that will air — for the first time — in the fall, TheWrap has learned.  —  TheWrap reported previously that Christina Aguilera had agreed to return for $10 million for the season.

Mimi From The Drew Carey Show Lives!  —  If one of Brit Brit's Cheetolings was a girl, this would be them right now.  —  Most of you have already laughed, weeped and come up with a plan to spike the water system with birth control pills after watching the glorious mess that is Honey Boo-Boo Chile …

Khloe Kardashian Basically Admits She Has No Clue Who Her Real Dad Is  —  In new interview with Hot 97 yesterday, Khloe Kardashian basically admits she doesn't know who her biological father is, so consider the stage officially set for that extra-special Keeping Up With The Kardashians episode Kris Jenner …

Nick Cannon — Quitting Radio Gig After Blood Clots Found in Lungs  —  Quitting Morning Radio Gig  —  After Blood Clots Found in Lungs  —  Nick Cannon says he could die if he doesn't pump the brakes on his career ... and the first step is quitting his gig on a NY morning radio show.

Jude Law Caught Off Guard By Robert Downey Jr. Baby News … Actor Jude Law will be rushing to congratulate Robert Downey Jr. on his new baby boy after discovering his Sherlock Holmes co-star had become a dad again from a reporter in Japan.  —  Downey, Jr.'s producer wife Susan gave birth …

Jessica Simpson Is Bringing High Fashion to the Biggest Loser  —  Jessica Simpson has a special treat for one lucky Biggest Loser contestant who's been working hard at weight loss: a shopping spree with her!  —  The expectant mom will drop by the NBC show on March 13 to reward …

Jennifer Aniston Widens Hips With Fashion-Forward Dress  —  Jennifer Aniston is finally having fun with fashion!  —  The 43-year-old actress retired her collection of LBDs Thursday night at the Westwood, Calif. premiere of her new movie Wanderlust.  Joined by costar Paul Rudd, Aniston wore head-to-toe Tom Ford.

Reese Witherspoon Changed Six Times Before Meeting Kate Middleton  —  When Reese Witherspoon learned she'd be meeting the most fashionable woman in the world — and a royal, no less! — she was understandably nervous.  —  On Friday's episode of Ellen, the 35-year-old This Means War star recalled …

Adele Sex Tape Hitting the Internet?  —  So says a paparazzi...  A purported sex tape of Adele is allegedly hitting the internet tomorrow.  A French website reports that paparazzo Jean Claude Elfassi has announced on his blog that he will broadcast uncensored images from the tape on Friday.