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.

Reese Witherspoon and ex-husband Ryan Phillippe just pulled off a rare reunion ... showing up all smiles for son Deacon Phillippe's graduation from New York University!

Anna Grace Phelan -- a TikTok star who gained fame by documenting her battle with brain cancer has died ... according to a message posted to her social media.