Olivia Munn celebrated her 40th birthday with a four-hour hike to enjoy a hidden waterfall. “The Newsroom” actress shared a hilarious clip from the day, where she almost fell into the water.
Munn is best known for playing Aaron Sorkin on The HBO show, "The Newsroom." But she was also a correspondent on "The Daily Show with Jon Stewart" from 2010 to 2011.
(Photo Credit: Getty Images)