A Canadian singer on the brink had her song, “Call Me Maybe,” featured in the season finale of 90210. Just a few short months later, Carly Rae Jepsen, will perform in the show’s fifth season premiere. But now, she’s a superstar.

“I listened to 20 seconds and said “Yea!” It hadn’t even come out yet. But you listened to it and knew it was amazing,” executive producer Lara Olsen recalls. But neither Olsen nor fellow EP Patti Carr could have predicted the success that would come to the singer over the summer, they say, and they consider themselves lucky for scoring the star for a guest spot right in the middle of her meteoric rise to fame.

In the episode, Adrianna (Jessica Lowndes) goes to Las Vegas to perform during intermission at Jepsen’s poolside show. And though her speaking parts are brief, Carr says Jepsen earns a lot of credit for playing one of the toughest roles out there — herself. “She was not entirely sure how she would do. She had some trepidation and wanted to make sure this was something she felt comfortable with,” says Carr. “By the end of the day and the end of the takes where she was speaking, it was clear that she is totally comfortable [on camera]. Next time, she can play herself even better and can play it even more!”

Meanwhile, Jepsen is not the only high-profile guest star set for this season, which kicks off Monday. Carr and Olsen opened up about some of the other faces fans will be seeing this season and gave a few choice teases about what to expect: READ FULL STORY »