NBC’s Emmy-winning comedy powerhouse 30 Rock may have the combined forces of Alec Baldwin, Tina Fey and Jane KarKowski every week, but the show hasn’t gotten where it is by resting on laurels. Tina and Co. are calling in a little help from one of their Friends.

Former sit-com superstar Jennifer Aniston shakes off the blues of her post-breakup from love bandit John Mayer by lending her small screen magic to the ever-fresh ensemble production.

And what better way to show your appreciation for your famous visiting friend than to invite her into the shower for a wet-dress dance-off contest?

For a full range of on-set pictures of Jennifer Aniston, click on over to the ever-vigilant lenses of Bauer-Griffin Online.

Photos: David Krieger/bauergriffinonline.com

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