Mischa Barton Promotes Diesel in Tokyo

Posing alongside Diesel founder/owner Renzo Rosso, Mischa Barton styled up the Diesel Ginza Flagship Store grand opening party at the Conrad Tokyo hotel on Monday (April 21).

The former star of The OC was there in hopes of boosting business at the latest of the designer's many shops - located in the Japanese central shopping district and opening on April 23rd.

In related news, Barton will be the star presenter at the MTV Australia Awards on Saturday (April 26). The 22-year-old is said to be arriving in Sydney later this week to get ready for her stage duties.

"I am really excited to be coming back to Australia," Barton said. "I'm looking forward to a great night of live entertainment."

Gossip Girls

Enjoy the pictures of Mischa at the Diesel store opening party (April 21).