Welcome back to Midweek Madness, in which we send Callie Beusman to the newsstand to procure the latest issues of Ok!, In Touch, Life & Style, Us and Star. This week, Jennifer Aniston is pregnant and not pregnant; Kanye West is planning a big wedding; and Christina Aguilera and Britney Spears have each entered the Thunderdome for a spectacular clash to see who can be unfat faster.