The source said singer Victoria Beckham was a guest judge for the Fox reality competition during auditions in Boston that ended Friday.
"The judges and production team have been having a lot of fun with Victoria," the source said. "She's had a great response so far, and has been really warm with the contestants."
The guest judges are taking the place of singer Paula Abdul, who left the series because of a contract dispute and has since been mentioned as a possible addition to ABC's "Dancing with the Series."
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