Cannes 2013: Jennifer Lawrence leads 'Catching Fire' photocall
Liam Hemsworth and Sam Claflin also hit film festival to talk up sequel
Jennifer Lawrence gets a little sassy at the 'Catching Fire' photo call in Cannes
The star recently won an Oscar for "Silver Linings Playbook." She'll soon be seen in David O. Russell's "American Hustle," and reprising her role as Mystique in "X-Men: Days of Future Past."