12/05/2012 03:59 pm ET

Hugh Hefner Engaged: Kristen Chenoweth Pokes Fun At Upcoming Marriage On 'Chelsea Lately' (VIDEO)

Hugh Hefner's engagement to Crystal Harris is back on, and Kristen Chenoweth isn't shy about revealing her thoughts on the couple's upcoming nuptials.

The "Wicked" star filled in for Chelsea Handler on "Chelsea Lately" Tuesday night, and sarcastically explained the engagement between 86-year-old Hefner and 26-year-old Harris.

"I wonder if their registry includes a coffin," Chenoweth joked. "I've been waiting all day to say that line!"

Watch the video above for Chenoweth and the "Chelsea Lately" hosts' take on Hefner and Harris' relationship.

Check out the slideshow below for a list of things Hefner and Harris couldn't possibly talk about.

12 Things Hugh Hefner And Crystal Harris Can't Talk About

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