The world, it seems, is no longer gaga for Stefani Joanne Angelina Germanotta. The pop singer, who was named the world’s most powerful star in Forbes‘ annual Celebrity Power 100 List for 2011, has been replaced by none other than Jennifer Lopez. With her Kohl’s clothing line, a new fragrance, and her role on American Idol, it’s no surprise that Jenny from the block is taking the reins (even edging out Oprah for the top spot on the list). [Forbes]

Last night’s model-packed dinner for Balmain’s Olivier Rousteing reminded you of what you already knew: The world is in town for Monday’s Met gala. Rousteing had flown in from Paris for the occasion, as had his fellow designer Anthony Vaccarello, also in attendance. And so, too, had some of the runway’s top models, who are fitting the gala in between their hectic shooting schedules. So who’s going with whom?