Olsen and boyfriend Justin Bartha stay connected during a romantic Parisian stroll. Plus: Britney Spears, Lindsay Lohan, Justin Timberlake and more

FORM DUSK TO DAWN

Benji Madden and Joel Madden of the band Good Charlotte put in a cameo appearance at this weekend's grand opening of DJ AM's new nightclub Dusk at Caesars Atlantic City Hotel & Casino New Jersey. "Things are going great!" Joel, whose girlfriend Nicole Richie is expecting their second child, told PEOPLE.