• Best leftover Met gala gossip: Madonna grabbed Amber Rose's derriere. The evidence was posted on Rose's twitter page. Oh what a glorious night it must have been. [Socialite Life]

• Architect Philippe Starck is getting into the sweater-making business. He's teamed up with cashmere company Ballantyne for a limited-edition run that comes out in the U.K. in Oct. [Fashionista]

• Oscar de la Renta is joining the ranks of Chanel and Dior and holding a runway show for his resort collection. [Fashionologie]

• Nicholas and Carla Bruni Sarkozy are thinking of buying Yves St. Laurent's former house for a "love nest," away from prying eyes. But since everyone now knows about it, the paparazzi can start staking out the joint now. [Daily Mail]

• Guess what the hot fabric for menswear is. Nope, not plaid. Foam! Who knew? [WSJ]