Back in the day, many of us were fans of Lizzie McGuire, and if we've been following along with Hilary Duff's career since then, we know that she's been starring on a fabulous series called Younger for the past few years. With a new season coming soon (hopefully this year because we don't want to wait), now is the perfect time to catch up if we haven't seen every episode yet.

Younger features Sutton Foster as Liza Miller, a 40-year-old who can't find a job in her chosen industry, publishing. She makes the decision to say that she's 26 years old and when she is hired as an assistant at a publishing company, she realizes that she'll have to keep the millennial lifestyle going.

Keep reading to find out everything you need to know about the fun series Younger.

15 Younger Is Based On A Novel, And The Page To Screen Journey Took An Entire Decade

younger tv show via Deadline

According to Glamour.com, Younger is based on a novel by Pamela Redmond Satran. It was published back in 2005.

The page to screen journey took an entire decade. We're so glad that it worked out because we love watching this show so much. We often hear about movies being delayed or taking a long time to make a deal so this makes sense.

14 Hilary Duff Says The Actors Know Nothing About Each Season Before Filming

hilary duff via Pinterest

If it's tough for fans to wait for new episodes of Younger to see where all of the characters have ended up, what's it like for the stars?

According to Oprah Magazine, Hilary Duff said that the actors know nothing about each season before filming. She said, "They never tell us anything. And I always feel like it's a letdown, but I have no information, really."

13 The Female-Only Club On The Show Is Based On A Real Place Called The Wing

younger tv show via Hidden Remote

Insider.com says that when the characters on the show go to a female club called The Nest, it's inspired by a real place that is called The Wing.

This was a really cool storyline as the characters soon realized that this kind of exclusive club might not be all that it's cracked up to be.

12 With A 7th Season Coming This Year, Younger Is TV Land's Longest-Running Series

younger tv show via Hollywood Reporter

Oprah Magazine says that since the 7th season of Younger is coming, it's the show on its network, TV Land, that has aired the longest.

We'd love to see seven more seasons of the series since it's such a comforting, feel good kind of show. But we'll settle for at least a few more seasons.

11 Sutton Foster Used To Be Married To Christian Borle, Who Played A Writer That Liza Was Interested In

younger tv show via Hidden Remote

When Liza becomes interested in a writer named Don, it's a juicy storyline that makes her realize that not everyone can be trusted, and that not everyone is a nice person.

Insider.com says that these two actors used to be married. Yup, Sutton Foster and Christian Borle were once husband and wife.

10 Darren Star Says The Theme Is About Society Being Geared Toward Young People, Not Necessarily Liza's Big Secret

liza younger via NPR.com

People think that the theme of the show is about Liza's big secret, but Darren Star says it's about society being geared toward younger people.

According to Fame 10, Darren Star said, “The secret is the premise of the show, but the theme of the show is ultimately about a woman living in a younger world… At a certain point maybe that’s what it will become."

9 Nico Tortorella, Who Plays Josh, Says He And Sutton Foster Have Great Chemistry And Work Well Together

liza josh on younger tv show via Us Weekly

We love watching Liza and Josh, who is played by Nico Tortorella. Whether we ship these two or we want her to be with Charles, we can't really deny how adorable they are.

According to Fame 10, Nico Tortorella says that he and Sutton Foster have great chemistry and work well together, which we love hearing.

8 Darren Star Wanted To Use Sutton Foster's Musical Theater Background On The Show

younger via Playbill

Sutton Foster has a background in musical theater, and according to The Hollywood Reporter, Darren Star wanted her to dance on the show. She does an amazing job, so this was a great decision.

Star said, "I’m so happy that I got her to not only sing but also dance in the series."

7 The Showrunners Pushed To Ensure The Series Didn't End With The Season 6 Finale

younger tv show via Spoiler TV

According to Oprah Magazine, the showrunner pushed to make sure that the show didn't end with the last episode of season six.

We're excited to hear that because if we didn't have at least one more season to watch, we'd be totally bummed out. There's nothing worse than a show being canceled or ending randomly.

6 Marriage Vacation Has Been Published IRL

younger tv show via Tell-Tale TV

CNBC says that one of the books that has done the best on the show, Marriage Vacation, has been published IRL.

Younger fans know that this has been a wildly dramatic storyline as the author of the book, Pauline, used to be married to Charles. And since Liza worked on the book and also dated Charles, things got complicated.

RELATED: 20 Photos Showing Hilary Duff’s Transformation Through The Years