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Katherine Schwarzenegger Pratt and other celebs mark Father’s Day on Instagram

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Many celebrities took to Instagram to mark Father’s Day, including Katherine Schwarzenegger Pratt, who gave a shoutout to dad Arnold Schwarzenegger. Also celebrating the day: TODAY’s own Savannah Guthrie, Craig Melvin, Dylan Dreyer, Hoda Kotb and Sheinelle Jones, who shared photos.