Billie Eilish thinks it is “so cool” to be the first songwriter to win the Chairman’s Award at the Palm Springs International Film Festival Awards Gala. The ‘Bad Guy’ hitmaker and her co-writer, brother Finneas O’Connell, were honoured for their song ‘What Was I Made For?’ from the ‘Barbie Soundtrack’ and they were “really really excited” to follow in the footsteps of previous recipients including George Clooney, Amy Adams and Viola Davis. Billie told ‘Entertainment Tonight’ “It’s so cool. “I heard that it’s also never been given to a songwriter, which is such an honor, so we’re really, really…