Rob Kardashian's cryptic tweet and Megan Fox's post-baby body dominated Us Weekly's top stories on April 2. Credit: Alexander Tamargo/Getty Images; Jon Kopaloff/FilmMagic

Cause for concern? Rob Kardashian posted a curious tweet while his family was vacationing in Thailand. Plus, Megan Fox looked stunning on the Teenage Mutant Ninja Turtles set just seven weeks after giving birth. See the top stories: 

Rob Kardashian is clearly struggling with something. While the rest of his famous family is living it up in Thailand, the 27-year-old Keeping Up With the Kardashians star is on his own somewhere else -- and hurting in a big way. On Tuesday, April 1, he took to his Twitter with a cryptic, troubling message for his 4.82 million followers.

Turtle-y skinny! New mom Megan Fox returned to work Tuesday, April 1, seven weeks after welcoming son Bodhi with husband Brian Austin Green.

All grown up! Many remember Alexa Ray Joel as Billy Joel and Christie Brinkley's adorable, grinning little girl, but the now-28-year-old singer looked surprisingly transformed on Tuesday, April 1. 

Miley in mourning. Miley Cyrus is "broken" after announcing early Wednesday, April 2, that her dog Floyd has passed away. The "Wrecking Ball" singer, who's owned the adorable Alaskan Klee Kai since 2011, first shared the sad news via Twitter.

Gwyneth Paltrow and Chris Martin's split may have surprised some fans, but their so-called "conscious uncoupling" on March 25 was a long time coming. Indeed, the Iron Man actress, 41, and the Coldplay frontman, 37, had been at odds for some time, sources reveal in the new issue of Us Weekly.