Michelle Pfeiffer is bringing the humor and spirit this holiday season with her upcoming Christmas film, Oh. What. Fun. In the trailer released on Thursday, November 6, Pfeiffer, 67, shines as Claire Clauster, a mom who fully embraces the holiday season each year. But things are a bit different for Claire in 2025 - it seems like her family isn't sharing the same enthusiasm and dedication as she is during the holidays. "Why does St.