Lady Gaga to Guest Judge on 'So You Think You Can Dance'

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Nigel Lythgoe has told ET that Lady Gaga will serve on the "So You Think You Can Dance" panel later this season as a guest judge.

A different celebrity contributor has given their rave reviews and constructive criticism each week in the final round of the hit dancing competition. Broadway superstar Kristin Chenoweth sat behind the desk this week. Carmen Electra, a former Pussycat Doll, will offer her expertise next week.

"So You Think You Can Dance" airs on Wednesday and Thursday nights on Fox.