United Kingdom, Sept. 4 -- Emma Myers felt "so excited" about Lady Gaga's appearance in Wednesday.

The 39-year-old pop star appears in season two of the hit Netflix show, and Emma has admitted to being caught off-guard by Gaga's casting.

Speaking to People, the 23-year-old actress shared: "I think it was during filming season two. I think one day, somebody mentioned it and I was like, 'What?' And they were like, 'Oh, you didn't know?' I was like, 'No, I didn't know'.

"I thought somebody would've told me something that big. It was kind of out of nowhere."

Emma actually ended up counting down the days until Gaga arrived on set.

The actress - who plays Enid Sinclar in Wednesday - said: "The entire time I was like, 'OK, 10 more days unti...