Jack Antonoff is currently dating Lena Dunham. He has been in three celebrity relationships averaging approximately 1.4 years each. He has never been married.
Occupation: Music - Singer
Most Famous For: Singer for Steel Train
Jack Michael Antonoff (born March 31, 1984) is an American musician, best known as the lead guitarist of the indie rock band Fun. He was previously the lead singer-songwriter of the band Steel Train and currently holds that role in his new project called Bleachers.
"I'm the day-to-day girl, and he keeps an eye on the big picture. He's not superhuman - he just has a really good attitude."