Mario Lopez and Karina Smirnoff Split  —  Karina Smirnoff and Mario Lopez have called it quits, Smirnoff's rep confirms to PEOPLE.  —  “Karina has parted ways with her two year relationship with Mario Lopez,” says Smirnoff's spokesperson.  “The relationship wasn't heading in the right direction.”

Paris Hilton Pregnancy Rumors: “False”  —  Paris Hilton doesn't have a bun in the oven.  —  The heiress, 27, sparked blog rumors when she wore a green satin slip-dress to Crown Bar in Los Angeles Wednesday.  —  But her rep tells Usmagazine.com reports are “completely false.”

Hills Spin-off in the Works on MTV  —  Hills fans rejoice: the reality hit has spawned a new series.  —  A source tells the new issue of Us Weekly (on newsstands now) that MTV is prepping a show in which Whitney Port, 23, becomes bicoastal while working for fashion PR firm People's Revolution …

Britney Making a Pussycat Dolls Cameo  —  Her next album may not be dropping any time soon, but Britney Spears is dipping her toes back into the music scene, filming a cameo for the new Pussycat Dolls video.  —  “It's a small part,” says a source about the popstar's visit to the L.A. set …

Family Matters Star Accused Of Abuse  —  This is not funny at all.  —  Some of your might know Karrine Steffans.  We do.  She appeared on an episode of What Perez Sez.  She's also known as “Supahead”, has written several books (including Confessions of a Video Vixen) …

Justin Timberlake and Jessica Biel move in  —  Justin Timberlake can no longer call his house a bachelor pad — he's asked his girlfriend, Jessica Biel, to move in!  “Jessica is preparing to live in Justin's Hollywood Hills home,” an insider tells In Touch.  “They're both really excited.”

Christina Aguilera Defends Her Late Nights  —  Make no mistake, Christina Aguilera loves her baby.  But she likes the nightlife, too.  —  “Once in a while, if I want to go out and have a mommy-daddy night with my husband, I am more than allowed to do that,” the singer …

Jodie Sweetin: From Meth Addict to New Mom  —  Former Full House star Jodie Sweetin has a new role that comes with a full heart: mother to 7-week-old daughter Zoie.  —  “You look at your baby and think, ‘Wow, I did that.’ It's really amazing,” Sweetin, 26, tells PEOPLE in its new cover story, on sale Friday.

Lindsay Lohan ready for ‘Labor Pains’  —  Nu Image/Millennium sets June 9 shoot start  —  Rescuing a film that was placed in limbo by the Capitol Films cash crunch, Nu Image/Millennium Films Overnight Productions has set a June 9 production start on the comedy “Labor Pains.”

Lindsay and Samantha's Friendship: 'It's a Trust Thing'  —  Samantha Ronson (left) and Lindsay Lohan  —  Why does Lindsay Lohan spend so much time with good pal Samantha Ronson?  —  “Lindsay just feels safe with her,” socialite - and Lohan friend - Cory Kennedy told PEOPLE …

Rosie says she's waiting to remarry Kelli  —  Rosie says she's waiting to remarry Kelli  —  NEW YORK - Ellen DeGeneres is doing it.  So is George Takei.  But Rosie O'Donnell isn't jumping at the chance to walk down the aisle.  O'Donnell and her girlfriend, Kelli Carpenter …

Jamie Lynn's Baby Will Grow Up in a Barn  —  This is how they roll in Kentwood — Jamie Lynn Spears and Casey Aldridge are getting geared up for their new arrival, and it looks like Casey is ready to put his feet up.  —  People reports that J & C got a bunch of furniture delivered to their new house …

Heidi & Spencer have made $3 million in two years  —  Spencer Pratt and Heidi Montag may be one of the most controversial couples on television — but they're laughing all the way to the bank.  Since coupling up on The Hills two years ago, the pair have raked in about $3 million from their TV salaries …

T.R. Knight ‘Surprised’ Boyfriend Was Interested  —  Mark Cornelson (right) and T.R. Knight  —  Having been dating Mark Cornelson since February, T.R. Knight has formed some perspective on their relationship - and their age difference.  —  “It's bound to raise some eyebrows,” …