Billy Bob Thornton’s Willie Nelson documentary will close the event on Mar 19.

SXSW organisers unveiled additional features for the festival, which runs in Austin, Texas, from Mar 11-19.

These include a work-in-progress screening of Paul Feig’s Bridesmaids starring Kristen Wiig and produced by Judd Apatow.

With these additions SXSW will screen 140 features comprising 66 world premieres, 15 North American premieres and 15 US premieres.