Slumdog Millionaire has continued its run of awards season success after claiming the Writers Guild of America's (WGA) best adapted screenplay prize.
Danny Boyle's film, nominated for ten Oscars, has now earned major awards from the four major Hollywood guilds, strengthening its chances of winning the best picture Academy award.
The Mumbai-set drama is expected to add to its burgeoning trophy haul at the British Academy of Film and Television Arts (BAFTA) awards this evening.
With Bafta success expected, Slumdog Millionaire Simon Beaufoy, who adapted Vikas Swarup's novel Q & A for the screen, was not able to attend the WGA ceremony in Los Angeles on Saturday.
The best original screenplay award was claimed by Dustin Lance Black for Milk, a biopic of groundbreaking US politician Harvey Milk who made great strides in improving civil rights for the gay community.
"Big dreams are how change really happens," Black told the ceremony audience as he collected his prize.
"Join me in continuing this fight for civil rights."
Israeli animation Waltz With Bashir was named best documentary while the television comedy and drama writing awards were claimed by 30 Rock and Mad Men respectively.