Jane Lynch

Jane Lynch will guest-star on iCarly, a show rep tells TVGuide.com.

The Glee star will trade her villainous barbs for motherly advice as the mom of Sam Puckett (Jennette McCurdy) on the Nickelodeon hit. The actress' episode will air during the show's upcoming third season.

Jane Lynch and girlfriend marry in small ceremony

Lynch's 8-year-old stepdaughter is a huge fan of iCarly, according to Entertainment Weekly, which first reported Lynch's casting. The series was referenced in her wedding vows to Dr. Lara Embry in May.

Will you watch Lynch on iCarly?