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 …

EXCLUSIVE FIRST BABY PHOTOS: Meet Holly Madison's Daughter, Rainbow  —  Holly Madison opened her home to ‘In Touch’ to reveal the first ever baby photos of her daughter, Rainbow.  —  Just seven days after Holly Madison gave birth to her first baby, the former Playmate opens her home to In Touch …

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.

PICS: Bradley Cooper, 38, Dating Model Suki Waterhouse, 20  —  Bradley Cooper has found his spring fling!  Just months after calling it quits with Zoe Saldana, the Oscar-nominated Silver Linings Playbook star was spotted in Boston with his new girlfriend, model Suki Waterhouse, on Monday, March 18.

“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.

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 …

The Mars Expedition  —  Every clean cut, down-the-middle pop superstar has an alter ego hiding just out of sight.  In the case of Bruno Mars, we've gotten glimpses—this is a man, after all, who's already had one high profile drug-possession bust and whose latest global smash-hit single is all about a girl's vagina.