"Getting in some horseback riding fun, Nicole Kidman filmed scenes for “Grace of Monaco” this morning (October 12) in Monaco.
The “Hemingway and Gellhorn” actress looked perfectly comfortable aboard the massive animal as she cantered around the outdoor locale, staged to look like Prince Rainier’s Roc Agel property.
“Grace of Monaco” is the story of former Hollywood star Grace Kelly's involvement with Monaco's Prince Rainier III and France's Charles De Gaulle dispute over tax laws in the early 1960s.”
Additionally, Ms. Kidman has a pair of projects coming out in 2013 including “Stoker,” and “The Railway Man.”"
(SOURCE: http://celebrity-gossip.net/nicole-kidman/nicole-kidman-horsing-around-%E2%80%9Cgrace-monaco%E2%80%9D-set-742193)