# Lili Reinhart and Jack Martin's relationship timeline

> From airport kisses to chronic illness support, here's how the Riverdale star and her boyfriend built their sweet romance.
- Title: Lili Reinhart and Jack Martin's relationship timeline
- Summary: From airport kisses to chronic illness support, here's how the Riverdale star and her boyfriend built their sweet romance. Lili Reinhart and Jack Martin have…
- Keywords: lili reinhart, jack martin, celebrity relationships, riverdale, venice film festival, chronic illness, the love hypothesis, london fashion week, sxsw, marie claire, Lili, Reinhart
- Source: Cosmopolitan — https://cosmopolitan.com/entertainment/celebs/a73572407/lili-reinhart-jack-martin-relationship-timeline
- Author: Starr Bowenbank
- Published: 2026-09-16T17:06:13+00:00
- Read time: 1 min
- Topics: lili reinhart, jack martin, celebrity relationships, riverdale, venice film festival, chronic illness, the love hypothesis, london fashion week, sxsw, marie claire
## Airport kiss goes public
Lili Reinhart and Jack Martin were first spotted passionately kissing at LAX in April 2023. Photos captured the moment their romance became public.
## Instagram makes it official
By July 2023, Jack featured Lili twice in an Instagram post captioned about smiling and chilling. The relationship was heating up on social media.

> Unbelievable, even egregious amounts of Smiling and Chilling.
## First public photo together
Lili shared their first public photo for Jack's birthday in August 2023. She wrote, "I'm so grateful for the light you've brought into my life."

> I'm so grateful for the light you've brought into my life. Happy birthday, mon petite.
## Venice Film Festival debut
The couple made their formal debut at the Venice Film Festival in September 2023. They looked super glamorous at an Armani event together.
## Jack's touching birthday tribute
Jack called Lili "the most beautiful person" on her birthday. He thanked her for making him the happiest he'd been and being endlessly funny.

> Thank you for making me the happiest I've been and being endlessly fucking funny.
## Through chronic illness together
In January 2025, Lili thanked Jack for supporting her through discovering her chronic illness. She spent months barely leaving the house due to pain.

> It's not easy to have a chronically ill girlfriend, when I spent months barely leaving the house, couldn't walk due to pain.
## Her lover girl era
Lili told Marie Claire she's in her "lover girl era" because of Jack. Being apart from him deeply affects her mental health.

> It's deeply hard on me to be apart from the person I love.
## Mutual admiration goes public
Jack told Entertainment Tonight that Lili is the kindest, most empathetic person he's ever met. She echoed the sentiment, calling him her most supportive partner.

> I love her more than anything. What else can you say? I am grateful for her literally every day.
## Reading sex scenes together
Lili showed Jack the steamy hotel room sex scene from The Love Hypothesis while reading it on a plane. He won't be surprised when the adaptation comes out.
## Key takeaway

Lili Reinhart and Jack Martin have built a supportive, private relationship since 2023, with Jack standing by her through chronic illness.