Sponsored Links Jack Antonoff Currently Dating Lena Dunham Lena Dunham Jack Antonoff Photos, News, biography Lena Dunham From 2012 to 2012 (Relationship) Alia Shawkat From 2009 to 2010 (Relationship) Scarlett Johansson From 2001 to 2002 (Relationship) Sponsored Links Jack Antonoff NewsJack Antonoff Uses Music to Cope with the Loss of Teen Sister 15 Years After She Died of Brain CancerTaylor Swift, Jack Antonoff and Reese Witherspoon Celebrate Lena Dunham on Her 30th Birthday