Dianna Agron places her hands on her hips as she celebrates the launch of The Alexa Chung For Madewell Fall 2011 Collection at Chateau Marmont on Wednesday (September 21) in Los Angeles.

The 25-year-old Glee actress wore a Madewell Silk Safari Dress with Opening Ceremony “Jeanette” t-Strap platform pumps.

The event was hosted by Madewell, Alexa Chung, and InStyle magazine.

Are you excited Glee is back on TV? Dianna sure is!

“Big thanks to all who watched last night. Good to be back. More to come!! x” Dianna tweeted.

Over the weekend, Dianna bedazzled in blue at the 2011 Primetime Emmy Awards.