Kris Jenner gave a wide-ranging Father’s Day tribute Sunday ... and it included several of her famous family’s exes, current co-parents, and loved ones in a single star-packed collage.

Skai Jackson -- the former Disney Channel Star -- is officially a new mom ... giving birth to her first child and announcing the news via Instagram.

Michael Pitt has been arrested on sexual abuse charges ... with authorities saying he’s being accused of sexually assaulting his then-girlfriend and later attacking her with a couple blunt objects.