Duchess of Cambridge wears jeggings only weeks after childbirth

Duchess of Cambridge wears jeggings only weeks after childbirth
Catherine, Duchess of Cambridge, and Prince William, Duke of Cambridge, arrive at Breakwater Country Park for the start of the Ring O' Fire Anglesey Coastal Ultra Marathon in Anglesey, Britain. (Paul Lewis / The Daily Mail / PA / EPA)

On Friday morning, the Duchess of Cambridge made an unscheduled official public appearance, her first since giving birth to Prince George in July. The duchess accompanied her husband, Prince William, to oversee the start of the three-day, 135-mile Ring O' Fire Angelsey Coastal Ultra Marathon. She looked as slim as celebrities are supposed to these days just a few weeks after giving birth, wearing a green blazer over jeggings and a loose top. [Telegraph]

Gucci's Frida Giannini helped design costumes for Olivia Wilde and Chris Hemsworth in the Ron Howard film "Rush," which is set to open Sept. 27. She reportedly drew on Gucci's archives to get the right 1970s feel. [The Cut]

"Project Runway" alum Christian Siriano wants to grow his evening wear company into a complete lifestyle brand and he has signed deals to develop cosmetics and fragrance. [WWD]

Designer Max Azria may lose control of his company, which is mostly owned by Guggenheim Partners Ltd.,  the Wall Street Journal reports. [WSJ]

The life of the late style icon Isabella Blow has been turned into a stage play called "Blow Me" by writer Jessica Farr, and it's being performed in Miami through Sunday.  [WWD]