Can you believe that Glee's 100th episode is premiering tonight?! That's a lot of TV. While we're incredibly excited to see the original cast members like Dianna Agron and Amber Riley back on the show, it's definitely a bittersweet experience — without Cory Monteith the show will just never be the same.
To celebrate the 100th episode and to pay homage to the incredibly talented and adorable Cory, we've rounded up must-see photos of the original cast. Click through to see the pics, then let us know which photos are your favorite in the comments below.