Exclusive: Katy Perry, John Mayer Split for Second Time  —  Katy Perry and John Mayer have once again said goodbye — for now.  The pop songstress, 28, and singer-songwriter, 35, have split for the second time, multiple sources confirm to Us Weekly.  The high-profile pair began casually …

‘Teen Mom’ Star Farrah Abraham — Arrested for DUI  —  ‘TEEN MOM’ STAR  —  Farrah Abraham  —  Popped for DUI  —  EXCLUSIVE  —  And the “Single Mother of the Year” award goes to ... “Teen Mom” star Farrah Abraham, who was busted for DUI Monday night in Nebraska ... TMZ has learned.

Jon Hamm's private parts cause a stir on set of ‘Mad Men’ season six  —  Don Draper's “impressive anatomy” became an inside joke for cast and crew, as tight pants of the 1960s are introduced to the show.  —  Don Draper's got it, so he flaunts it.  —  “Mad Men” star Jon Hamm's private parts are causing a stir.

Rapper Too Short — Arrested for DUI  —  Arrested for DUI  —  EXCLUSIVE  —  Rapper Too Short has just been arrested for DUI ... after allegedly attempting to run from police, TMZ has learned.  —  Law enforcement sources tell TMZ, Short — real name Todd Anthony Shaw …

Lindsey Vonn mocked Tiger Woods during cheating scandal  —  Vonn, who just announced she's dating Woods, made light of the star's claim to a sex addiction in an old Time Magazine article.  —  Vonn once joked that she'd like to do a “Saturday Night Live” skit mocking the golf superstar's announcement that he had a sex problem.

NEWS/Seth MacFarlane Splits From Game of Thrones Girlfriend Emilia Clarke  —  It looks as if Seth MacFarlane and Game of Thrones star Emilia Clarke are no longer playing the game of love.  —  At least not with each other.  —  E! News has learned that the 39-year-old Family Guy funnyman and the 25-year-old actress have parted ways.

Kate Upton surprises high school senior who asked her to prom: cute or creepy?  —  This story is kind of sweet even though this recent trend of asking a celebrity to a dance is getting slightly old, but I guess we have the internet to thank for rapid proliferation of these videos to viral status.

“Enlightened” Has Been Canceled  —  The HBO show's passionate fans couldn't save it. … HBO has canceled the critically acclaimed Enlightened, the network confirmed Tuesday, its low ratings trumping the passionate audience that rallied to keep it going.  —  Enlightened was created by Mike White and Laura Dern.

Lindsay Lohan's New Mug Shot — If Looks Could Kill  —  LINDSAY LOHAN  —  NEW MUG SHOT  —  If Looks Could Kill  —  EXCLUSIVE  —  Lindsay Lohan has just been booked by the Santa Monica police ... which means ... SHE HAS A BRAND NEW MUG SHOT ... and she does not look happy about it.

Gisele Wears Tiny String Bikini With Daughter Vivian Lake in Baby Carrier, Rides ATV With Baby on Board  —  A cute baby, a hot hubby, and a rocking' bikini body?  Former Victoria's Secret supermodel Gisele Bundchen proved that some women really can have it all when she walked the beach …

Westboro Equality House: Aaron Jackson Paints Rainbow Home Across From Anti-Gay Church  —  The Westboro Baptist Church is about to get a big surprise in the form of a new neighbor who plans to give the notoriously anti-gay group a taste of its own medicine.  —  Aaron Jackson …

After Gritty Sundance Debut On 'Ain't Them Bodies Saints', David Lowery To Reinvent 'Pete's Dragon' For Disney  —  EXCLUSIVE: I didn't see this one coming.  After directing one of the most talked-about films at Sundance Ain't Them Bodies Saints, David Lowery has hired on with writing partner Toby Halbrooks …

But you're old enough to be HER father too!  Bradley Cooper, 38, flies Suki Waterhouse, 20, out to movie set after dismissing romance with Jennifer Lawrence  —  He recently denied he was romancing his Silver Linings Playbook co-star Jennifer Lawrence, insisting he was ‘old enough to be her father’.

Bruno Mars: Why I Lied to Police After My Cocaine Arrest  —  Bruno Mars is coming clean in the April issue of GQ magazine.  The 27-year-old singer opens up about his 2010 arrest, his unusually chipper mugshot and the difficulties of writing a hit song.  —  When Mars was arrested in Las Vegas …