LiLo Apologizes for Exposing 'Private Matters' on Instagram, Says She Was 'Acting Out of Fear'

This past weekend has not been kind to Lindsay Lohan, and it’s uncertain whether this week will bode any better. After reportedly ending her engagement to Russian millionaire Egor Tarabasov following a series of tumultuous—and even violent—incidents the actress (and/or others) documented on social media, Lohan issued…