Rodriguez was as bubbly as ever when she caught up with PEOPLE at the Crest 3D White Brilliance 2 Step launch party in New York on Thursday, and she has one huge reason to be in high spirits.
Rodriguez lights up when asked about Jane the Virgin, which ended its first season with a shocking finale and looks to be on the way up in season 2 thanks to, among other things, Spears' forthcoming role.
Rodriguez told PEOPLE she is "so freakin stoked!" to have Spears, 33, on board because the singer "is my childhood," she said. "She was literally the first pop star I ever knew existed."
And Rodriguez does have some hopes for their collaboration: "I just want to do the dance from "...Baby One More Time" with her on set ... and record it," she said. "I want to do that so badly!"
In between practicing for her big dance duet, the Golden Globe winner, who just wrapped Deepwater Horizon alongside Mark Wahlberg and Kate Hudson, is working on a book and is set to co-host the Teen Choice Awards on Sunday alongside Ludacris and Josh Peck.
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Jane the Virgin returns Oct. 12 to The CW.