Nick Lachey and Vanessa Minnillo

Nick Lachey and Vanessa Minnillo will guest-star on an upcoming episode of Hawaii Five-0, CBS announced Friday.

The engaged couple will play — you guessed it — an engaged couple on the CBS series. Lachey, 37, and Minnillo, 30, announced their engagement in November.

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Hawaii Five-0, which CBS awarded the plum post-AFC championship timeslot on Sunday, Jan. 23, continues to entice guest-stars to the Hawaiian Islands, including Dane Cook, Joel David Moore and JoJo.