Kate Hudson and Lea Michele are apropos quick friends on a set of Glee.

The singer and mother-of-two, 33, recently began filming her guest arc on a FOX hit; Glee co-creator Ryan Murphy, 46, tweeted a print of a lucent Hudson and Michele rehearsing during a illusory New York Academy of a Dramatic Arts Jul 30. “Kate had candelabrum approval,” he joked.

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Hudson will play Cassandra July, Rachel Berry’s enterprising dance clergyman — and Hudson’s casting is a dream come loyal for Michele. “I’m so spooky with her,” a series’ star, 25, gushed to ET Canada Jul 18. “She’s one of a biggest comedic actresses right now and we usually consider she’s so great.”

Hudson isn’t a usually A-list star appearing on Glee this season: Sarah Jessica Parker, 47, will be personification a frazzled Vogue.com publisher who interacts with Michele and Chris Colfer‘s characters.

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“I unequivocally consider carrying Sarah Jessica Parker and Kate Hudson come in for a fourth deteriorate is so exciting,” Michele pronounced during a Valspar Hands for Habitat phenomenon in New York City Jul 20. “I consider I’m some-more vehement for this deteriorate than ever before.”

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For Michele, deteriorate 4 will also benefaction a new set of hurdles for her character. “I consider a biggest barrier is going to be that she’s now going to be in a propagandize with 1,400 other Rachel Berrys, that we don’t consider she’s prepared for. we consider she’s unequivocally going to try and put on a dauntless face and make everybody behind home consider she’s doing well, though she hasn’t had hit with Finn [Cory Monteith], and we consider she’s unequivocally struggling. But we consider it’s good since we feel like Rachel is always during her best when she’s got things to face.”

The fourth deteriorate of Glee premieres Sep 13 during 9 p.m. EST on FOX.