Cover Story: Are They Really Pregnant?

What do Katie Holmes, Angelina Jolie and Jennifer Aniston all have in common — besides being A-list celebs and having millions in the bank? They're all hoping for a baby!

For Katie and Angie, pregnancy would be a welcome addition to their families. But for Jen, having a baby would be a first — and a dream come true. And despite the fact that the 40-year-old Friends star is currently single, it's not stopping the actress from contemplating what she considers to be her ultimate achievement — becoming a mom!

"She can't wait to hold a baby in her arms," a pal of the star tells OK!, but don't expect on-off boyfriend John Mayer to play daddy. "John's number one priority is his music...which is all-consuming for him," the source says.

CLICK HERE TO READ ALL ABOUT JEN'S MAYER-FREE BABY PLANS!

Eight months after the birth of their twins, Jen's ex, Brad Pitt and Angelina are ready to expand their family — and plans for a seventh child are already underway. The couple intends to adopt another toddler and get pregnant simultaneously.

Angie herself confirmed her wish to have another baby — either through adoption or biologically — recently saying, "We are going to have more kids — one way or another."

CLICK HERE TO READ ALL ABOUT ANGIE & BRAD'S PLANS TO EXPAND!

Brangelina have found sympathetic souls in another supercouple, Tom Cruise and wife Katie. Katie recently reached out to Angelina, inviting Shiloh and Zahara to a tea party with Suri with the hope that the girls could get to know each other. And now that Suri is nearing the age of 3, Katie desperately wants to give her a brother or sister.

After weeks of speculation, sources tell OK! that Mrs. Cruise is indeed pregnant! "They are deliriously happy that Suri will be a big sister," one friend tell OK!. "They're over the moon."

CLICK HERE FOR ALL THE DETAILS ON THE NEW TOMKITTEN!!

For more details surrounding Jen, Angie and Katie's pregnancy plans, pick up the new OK! — on newsstands everywhere Thursday!