OK! Cover: Kourtney Kardashian: Pregnant and Betrayed
• Humiliated by Scott Disick's public flirting with Kim Kardashian
• He walks out after their nastiest fight ever!
• Kourtney's shocking ultimatum
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MORE IN THIS ISSUE OF OK!:
Justin Theroux is not happy about Jennifer Aniston's new movie role — where she plays opposite Jason Sudeikis!
Jennifer Lopez is caught off-guard when Casper Smart rejects the idea of starting a family.
Britney Spears hasn't yet started as an X Factor judge, but the pressure is already on for her to drop pounds for the gig.
OK! goes inside the Bachelorette pad and chats with Emily Maynard about the next season.