Spring, During the filming for Preggers, there is a video when Lea was trying on the football uniform and Cory said the famous line, "Instand hard-on", about Lea in the jersey.
During the filming for Acafellas , there are candids of the two next to each other. Lea had also shown up to Cory's birthday party on the eleventh, the same date as the Glee Premiere next to Dianna Agron and Cory Monteith.
They were also interviewed along with Agron. There is a video of Monteith and Michele acting silly in front of a Glee billboard sign some time in May. Cory was the person who had made Lea's Twitter account, coming up with her username.
In an interview, it was revealed that Cory set her password as 'Rachel Berry', but Lea has changed it.
Cory advertised Lea's account, trying to get more followers for her. They both had Tweeted pictures of each other since then. They've also had small conversations and a bit of teasing back and forth between them. Cory and Lea were sitting front and center, next to each other.
August 9th, the cast went to the Teen Choice Awards. The next day, the cast had interviews and signings for the Glee Tour in Boston. The two also had a photoshoot in Australia and had interviews.
They and the cast appeared at Australian Idol. The cast were also at the Hot30 Countdown Rooftop Party. Cory and Lea had an interview with Network Ten. During September, there were many articles interviewing Cory and Lea and about Glee.
September 30th, Michele and Monteith were at The View for an interview. On the 10th, they were at Washington D. On the 11th, Lea took Cory to his first musical, Rock of Ages.