"I’m so happy to be alive and so profoundly grateful for all the blessings!!!! ," she began. "My beloved family, my precious friends ... Indonesian Beach for a Birthday Trip.

Show them how much they mean to you with these thoughtful birthday wishes. Everyone's clicking on... We may have started out as work wives, but I know we'll be best friends 'til the end.

She also posted a more recent picture of Witherspoon enjoying what looked to be an espresso martini by the beach ... "Happy birthday to my favorite, most supportive boss lady friend." ...