Kardashian and her 21-month-old son enjoy some mommy-and-me time in N.Y.C. Plus: Gwyneth Paltrow, Mary-Kate & Ashley Olsen, Pink & Willow and more

KEEPING IT 'RIO'

Justin Bieber shows his love for his Brazilian fans Wednesday on the balcony of his hotel room at the Copacabana Palace during his Rio de Janeiro getaway.