If anyone knows what's in and what's out this spring, it's street style star Olivia Palermo ... skinny jeans and sexy corporate wear - when it's appropriate. One of Palermo's outs is capris.

If anyone knows what’s in and what’s out this spring, it’s street style star Olivia ... jeans. “So you have to be very committed to that.” When it comes to her personal style, Palermo ...