Justin and Hailey Bieber have a lot to celebrate this week. A wedding, the drop of Justin’s collab with Dan+Shay and now a new very sexy Calvin Klein ad.

The two strip down to nothing but their Calvin’s as part of the CK50 collection celebrating the 50th anniversary of the brand.

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The new collection features the classic pieces with a modern twist and the CK50 logo.

Other stars that are part of the campaign include A$AP Rocky, Kendall Jenner, singer Troye Sivan, model Liu Wen and many more.

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The collection is available Oct. 15 for a limited time only.