Dianna Agron & Chord Overstreet: 'Glee' 100th Episode Celebration!

Dianna Agron dons a cute polka-dotted dress while posing with her co-star Chord Overstreet while celebrating the 100th episode of their hit show Glee on Monday (February 24) in Los Angeles.

The 27-year-old actress was joined at the celebration by her co-stars Jenna Ushkowitz, Matthew Morrison, Kevin McHale, Harry Shum, Jr., Jane Lynch, Amber Riley, and Mark Salling.

PHOTOS: Check out the latest pics of Dianna Agron

The day after, Dianna was spotted heading to the gym and then changing into another outfit at New Stone Age in West Hollywood.

10+ pictures inside of Dianna Agron and Chord Overstreet celebrating the 100th episode of Glee…