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Peter Facinelli has been a household name since his days as the stoic Dr. Carlisle Cullen, but his personal life—specifically his long-term relationship—often keeps fans guessing. If you've been following the Twilight star lately, you know he's been with his partner, Lily Anne Harrison, for what feels like forever.
They’re basically the poster couple for "if it ain't broke, don't fix it."
People are constantly Googling "Peter Facinelli and girlfriend" to see if they finally tied the knot or if there's some secret drama behind the scenes. Honestly? The reality is way more chill than the tabloid rumors suggest. They aren't hiding a secret breakup, and they aren't avoiding the altar because of cold feet.
Who Is the Woman by His Side?
Lily Anne Harrison isn't just "the girlfriend." She’s an actress and writer in her own right, and yeah, she comes from Hollywood royalty—her dad is Gregory Harrison. You might recognize her from Hallmark movies like Christmas Camp or her roles in The Vanished and Ruthless Realtor.
The two started dating back in 2016. It was a bit of a whirlwind start, coming just a few months after Peter ended his engagement with Jaimie Alexander. Some skeptics thought it might be a rebound. Ten years later, they’re still proving everyone wrong.
The Mexico Proposal and the "Wife" Label
In late 2019, Peter popped the question during a romantic getaway to Mazatlan, Mexico. It was a whole family affair, with his three daughters—Luca, Lola, and Fiona—there to witness the moment.
But then, 2020 happened.
The pandemic famously stalled their wedding plans. Most couples eventually got around to rescheduling, but Peter and Lily took a different route. They just... kept living their lives.
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Fast forward to early 2025, and Peter was still calling Lily his "wife" in interviews despite no official paperwork. He told Us Weekly that the wedding feels more like a "party" than a necessity at this point. They already live the life. They share the responsibilities. To him, the "paper" is just a formality they haven't found a weekend for yet.
Meet Jack Cooper: The Game Changer
The biggest reason the wedding bells haven't rung? Their son, Jack Cooper Facinelli.
Born on Labor Day in 2022, Jack turned Peter into a "boy dad" after decades of raising three daughters with ex-wife Jennie Garth. Parenthood the second time around (or fourth, for Peter) has been their primary focus.
- Name: Jack Cooper Facinelli
- Birthday: September 5, 2022
- The Vibe: Peter describes him as a "little drunken sailor" now that he's walking.
Raising a toddler while balancing two acting careers doesn't leave much room for Pinterest-perfect wedding planning. Peter has been open about the fact that they are simply "too busy" with the baby to care about a ceremony right now.
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The Modern Family Dynamic
One of the coolest things about Peter Facinelli and girlfriend Lily Anne Harrison is how they handle the "ex" situation. Hollywood is full of messy divorces, but Peter and Jennie Garth have managed to build a genuine friendship.
During the Los Angeles wildfires in early 2025, Jennie and her husband actually took shelter at Peter’s house.
Think about that for a second.
You’ve got the ex-wife, her new husband, the current fiancée, and all the kids sitting around eating Chinese food and banana bread while waiting out a natural disaster. It’s incredibly healthy and, frankly, a bit rare for the industry. It shows that Lily isn't just a partner; she's a pillar in a very complex, blended family unit.
What Most People Get Wrong
There's a common misconception that Peter's previous divorce or his failed engagement to Jaimie Alexander made him "anti-marriage."
That doesn't seem to be the case.
He’s stated multiple times that he wants Lily to have her special day. He’s even mentioned he’d love a beach wedding. It’s not a lack of commitment; it’s a shift in priorities. When you already have the house, the kid, and the mutual respect, a white dress doesn't feel like an emergency.
Actionable Takeaways for Fans
If you're looking to keep up with the couple or apply a bit of their "low-stress" philosophy to your own life, here’s the deal:
- Don't expect a surprise wedding announcement tomorrow. They are operating on "toddler time," meaning the wedding will happen when Jack is old enough to maybe be the ring bearer without losing the rings in a sandbox.
- Follow their work, not just their captions. Both are prolific in the indie film and TV movie circuit. Lily is leaning more into screenwriting lately, which is a pivot worth watching.
- Redefine commitment. The biggest lesson from Peter and Lily is that a "label" doesn't define the strength of a partnership. They’ve been together for a decade—longer than many Hollywood marriages last.
If you’re waiting for the "Peter Facinelli and girlfriend" search term to turn into "Peter Facinelli and wife," you might be waiting a while. But in every way that actually matters, they’re already there.