Jenna, understandably, became enemies with the Liars after she was blinded when a prank backfired.
She was always in the wrong place at the wrong time after Alison disappeared.
"Whisper, whisper, whisper. Almost feels like Alison's still here."
Jenna forced her stepbrother, Toby, into a relationship with her.
Weirdly, he was only truly free after Alison blackmailed him in to taking the blame for Jenna's accident.
She reallllllly didn't like Spoby!
Jenna paid Caleb to spy on Hanna... and Ms. Marin responded with a stinging slap!
In season 2, Jenna and Aria took the same pottery class at Hollis.
Aria called herself "Anita" so Jenna wouldn't know who she was.
Halloween Flashback: When Jenna was one of the few girls brave enough to stand up to Alison DiLaurentis!
It was the ultimate Lady Gaga showdown.
Everyone waited nervously when Jenna went for corrective eye surgery.
Would she ever see again?
Jenna owed her life to Hanna when she was trapped inside the DiLaurentis house as it burned.
Everyone thought Jenna's eye surgery had failed... until this amazing moment!
Aria was all of us when she realized "bitch can see" in season 3!
The Liars decided to confront Jenna about why she would lie about still being blind.
Apparently it was the only protection she had left!
Jenna came clean to everyone about her sight, and threw a birthday celebration at The Brew.
And she looked incredible!
Shana and Jenna shared a sweet moment together when Jenna realized that her sight was going again.
Shana told her "on your darkest days you know I'll be here for you."
But that promise was short lived when Shana died in season 5.
And we actually found ourselves feeling sorry for Jenna!
Mona, Sydney, and Jenna plotted to take Alison down after she returned from the dead.
We last saw Jenna at the masquerade ball in How the 'A' Stole Christmas.
She looked like a princess!
And the Liars gossiped about whether Jenna was Lucas' prom date in Last Dance.
We never did figure it out for sure!
But now Jenna's back and we can't wait to know what she'll do next!
What is your favorite quote from Jenna Marshall? Let us know below!
Don't forget to tune in to Freeform at 8pm|7c to enjoy Jenna's return to Rosewood in full!