The happy twosome face off in Austria. Plus: Reese Witherspoon, Chris Pine, Keanu Reeves, Robert Downey Jr., Tina Fey and more

'WAR' & REESE

He sure is "Unstoppable"! Chris Pine is back to work on Thursday alongside glowing co-star Reese Witherspoon as the two film scenes in Vancouver for their new comedy This Means War.