Flitter, also posted the same "insane #tbt" shot on his Instagram account with the caption,"Seeing@emmaroberts for the first time in 10 years! so happy to hang with you again! #corkyandnancy4ever #nancydrew."
Roberts starred as Nancy Drew in the 2007 film, while Flitter portrayed the teen detective's younger friend, Corky Veinshtein.
The former co-stars reunited on the set of Scream Queens, when Flitter stopped by to visit his friend, Abigail Breslin, Flitter told MTV News.
"Doing our best to look as cool as we can," the 22-year-old actor wrote in a photo with Breslin posted on Wednesday. “Thanks for inviting me to the set of #screamqueens@abbienormal9 !!!!”