Tessa Thompson is weighing in on the on-going debate about the Hemsworth brothers. According to the celebrated actress, Luke Hemsworth is definitively the funniest Hemsworth.Tessa stunned in gold on the carpet at the black carpet at HBO's premiere of season 4 at Alice Tully Hall at Lincoln Center in New York City on Tuesday, and she spoke with ET's Rachel Smith about the new season and her Australian co-star.Luke, who'd walked the carpet ahead of Tessa, predicted that, if asked, she'd name him as the funniest of his three brothers — including Chris and Liam Hemsworth.