COVER STORY: Britney's Ready to Marry Again!

Oops... She's going to do it again!

OK! has learned that Britney Spears is telling friends she's ready to marry her boyfriend Jason Trawick. And all it took was her boys' blessing to convince her to move ahead with plans for her third wedding in five years.

"Britney said she does not have a doubt in her mind that she wants to spend the rest of her life with Jason," a source close to the couple tells OK!. "She has already discussed marriage with him, and they are both excited about a romantic wedding."

FOR MORE, CHECK OUT THE NEW ISSUE OF OK! — ON SALE EVERYWHERE WEDNESDAY!

Also in this week's issue:

• Robert Pattinson takes Kristen Stewart home for the holidays: Rob introduces his co-star and girlfriend to his parents in London!

• Tom Cruise and Katie Holmes: Suri's mom and dad have never been happier!

• OK!'s Top TV Bad Girls: From backstabbers and ice queens to schemers and frenemies — with the help of Natalie, the rebel star of Oxygen's Bad Girls Club, OK! selects prime time's most feared females.

•Get ready for the holidays!: OK! helps you find the perfect presents for everyone on your list — and offers a sweepstakes full of chances to win a few extra treats yourself!

And much more!