Katie Holmes: Yes, I'm Pregnant!

Katie Holmes: Actress Katie Holmes has been glowing recently, and it’s not because she has a great tan! The 32-year-old star is boasting a burgeoning pregnancy bump, as evidenced in photos of her trip to Barneys New York in L.A. on May 6. An insider tells OK! that Katie has told pals, “Yep, I’m pregnant.” But her rep denies that she’s expecting. Find out what insiders have to say about the mom-to-be and her Scientology regimen. Plus: Would Suri be a good big sister?

Teen Mom: MTV reality star Jenelle Evans has pleaded guilty to a misdemeanor charge of possessing drug paraphernalia and she’s now headed to rehab in Malibu. OK! has an exclusive interview with Jenelle’s friend Patrick, who expresses his opinions on the teen mom’s attempts at reform.

Will and Kate: Though they must delay their honeymoon due to Prince William’s work duties, the royal newlyweds are taking their love on the road, and speculation abounds regarding the trip. On the itinerary (most likely): a stay in Windsor Castle, a trip to the Seychelles, a weeklong stop in Canada and a visit to California.

Kim and Kourtney Kardashian: Find out the top five slim-down tips the reality stars and sisters actually use to get bikini ready (including advice from Kim’s trainer!). Plus, proof that these tips really pay off via bikini snapshots from the sisters’ recent trip to Mexico.

Kimora Lee Simmons: After hearing rumors that she had starved herself in order to lose her pregnancy weight, supermodel, businesswoman and fashionista Kimora decided to sit down with OK! to set the record straight (and pose in a few sexy swimsuits). In this exclusive interview, find out how Kimora really lost those 30 pounds — and what she’d like young girls to know about realistic body images.

OK! Style Week: OK! talks about the “it” Hermès Birkin bag, spring’s cool turquoise jewelry, how to accessorize summer’s little white dress and how to become a trendy redhead (the new blonde!) like Drew Barrymore, Scarlett Johansson and Blake Lively.

Plus: Sources say Sandra Bullock’s not thrilled about Jesse James’ new tell-all book, Jesse James: American Outlaw; OK! has details on celebrity real estate — which young star got the most for their money?; Experts debate whether former Gov. Sarah Palin’s daughter Bristol had plastic surgery; Find out where A-listers Jennifer Aniston, George Clooney, Christina Aguilera, Oprah Winfrey and Megan Fox stay in Hawaii; E! News host Giuliana Rancic dishes on the sequin trend stars are shining in; Celebrity nutritionist Keri Glassman weighs in on The View co-host Elisabeth Hasselbeck’s daily diet; And check out OK!’s fun photos of stars at the Kentucky Derby!