Olsen heads to the Middle East for the grand opening of a luxury hotel in Dubai. Plus: Joel & Nicole, Madonna, Beyoncé and more

GOING GREEN

Taking a night off from her Sticky & Sweet tour, Madonna shows off a frilly, feathery frock (by Louis Vuitton) at a dinner to celebrate Gucci's launch of the Tattoo Heart Collection, benefiting UNICEF, at the Plaza Hotel in New York City.