Collin Gosselin Excludes Mom Kate from Graduation Post, After Hannah Invited Her to Ceremony

Collin Gosselin, of Jon & Kate Plus 8 fame, opened up about his high school graduation -- giving thanks to "mentors, friends, and of course family" who have been there for him in recent years. In an Instagram post shared early Thursday, Jon Gosselin and Kate Gosselin's 19-year-old son posted a carousel of photos from the day, which he celebrated alongside sister Hannah. "Better late than never! Graduation ...," he began his caption. "I wasn't totally sold on the idea of making a graduation post,...