Dianna Agron pulls on a lovely vintage dress as she attends the Montblanc Vanity Fair Party celebrating the Collection Princesse Grace de Monaco held at Hotel Bel-Air on Tuesday evening (February 21) in Los Angeles.

The 25-year-old actress completed her chic look with YSL heels.

Earlier in the day, Dianna was seen having a wheelchair race with Glee costar Kevin McHale.

Did you watch Glee last night? If you didn’t, SPOILERS AHEAD!

Quinn (Agron) gets into a car accident while on the way to Rachel (Lea Michele) and Finn’s (Cory Monteith) wedding while texting.

Don’t text and drive!

15+ pics inside…