The GQ Cover Story: Katy Perry  —  Not very long ago, she was strumming a guitar on the street and getting paid in avocados.  Today she's the most cartoonishly ubiquitous pop star on Earth.  Katy Perry gives Amy Wallace an earful about aliens (real), her world-famous body (real), her …

Justin Bieber — Blows $75K in Miami Strip Joint  —  BLOWS $75K  —  In Miami Strip Joint  —  EXCLUSIVE … In other news...  Before & After: “The View” Host Sherri Shepherd Lost a Gang of Weight!  —  Sherri Shepherd looks like a totally HOT new woman after shedding 40 pounds.  —  SEE MORE »

Lindsay Lohan Showed Up At Sundance Looking “Mean Girls” Good  —  And announced her new film Inconceivable.  —  Erin La Rosa for BuzzFeed  —  Lindsay Lohan held a last-minute press conference at the Sundance Film Festival on Monday.  The gathering was small and intimate, and the cameras seemed to outnumber the people.

What Selena Knows: Cops Could Question Gomez In Bieber Vandalism Probe Because She Was THERE The Night Of The Egging!  —  Cops investigating the egg throwing incident at Justin Bieber's mansion have a pop star they could question about what happened — and remarkably — they're likely …

Gabrielle Union Reveals: 'I'm on the Porn Diet!'  —  That is one steamy fitness plan.  —  Recently engaged Gabrielle Union, 41, divulged her unorthodox approach to keeping her fabulous physique on Conan Monday night: an exercise and diet regimen she dubbed “The Porn Diet.”  —  Her gurus?

Kanye West — 18-Year-Old Alleged Battery Victim Wants Cash To Settle  —  18-year-old Alleged Battery Victim  —  WANTS CASH TO SETTLE  —  EXCLUSIVE  —  The 18-year-old who Kanye West allegedly beat up last week in a chiropractor's waiting room has approached the rapper …

Jason Trawick Flashes Flabby Belly, Starts Diet and Workout Program After Britney Spears Split  —  Motivation?  After TMZ posted new photos of Jason Trawick eating pizza and “showing off his new gut,” the ex-fiance of Britney Spears took to Twitter to thank the website for encouraging him to lose weight.

The Twilight actor promotes Dior Homme's new fragrance for men in a new commercial … Since premiering in Europe last September, Robert Pattinson's steamy Romain Gavras-directed fragrance commercial for Dior Homme has generated more than 15 million views on YouTube.

Exclusive: Nine Inch Nails, QOTSA, Dave Grohl and Lindsey Buckingham to Perform Grammy Awards Finale  —  Grohl is the connective tissue for SMH pairing of alt-rock icons with Fleetwood Mac man  —  Nine Inch Nails, Queens of the Stone Age, Dave Grohl, and special guest Lindsey Buckingham …

John Stamos Super Bowl Ad Promises Full House Reunion  —  The boys are back in town ... and they're eating yogurt.  —  Dannon Oikos is promising a nostalgia touchdown with their Super Bowl teaser ad, which shows the men of Full House reuniting.  —  The spot opens with the face of Oikos …

Tom Sizemore's Heroin Hell: ‘Saving Private Ryan’ Star Caught On Video Using Heroin, Crystal Meth & Making Vile Racist Rant — Watch It Here  —  In a bombshell exclusive, RadarOnline.com has obtained a shocking video of long-troubled actor Tom Sizemore getting high on hardcore drugs and making offensive racial remarks.

Kim Kardashian Looks Sexy in Black Leather Outfit in Paris: See the Picture!  —  Ooh la la!  Kim Kardashian looked tres chic in Paris on Monday, Jan. 20, wearing a head-to-toe black leather look.  —  The reality TV star, 33, braved the Parisian chill in black studded sandals and bared her legs in a black leather pencil skirt.