Did Lena Dunham base her new rom-com 'Too Much' staring Megan Stalter and Will Sharpe on her ex-boyfriend Jack Antonoff? Here's what she's said.

In the series, Jess (Meg Stalter), a 30-something American workaholic, moves to the U.K. after a devastating breakup. She processes her relationship to Zev (Michael Zegler), who gets engaged to a model soon after their breakup, as she falls for Felix (Will Sharpe), a British musician.

Lena Dunham breaks down a harrowing flashback episode of Netflix's "Too Much," which explains why Jessica (Megan Stalter) is the way she is.