Naya Rivera, Ryan Dorsey and son Josey.Photo: Ryan Dorsey/instagram

Ryan Dorseyis honoring his late ex-wifeNaya Riveraon what would’ve been her 34th birthday.
On Tuesday, the 37-year-old actorshared a heartfelt tributeto theGleestar, whodied in July at the age of 33, on his Instagram.
“Just as surreal as it is real that you’re gone,” Dorsey captioned a black-and-white photo of the former couple with their sonJosey, now 5.
“If that makes sense, but none of this still makes any sense…34..I could just hear you saying ‘Ah, I’m old AF now!’ Ha…Rest easy old lady…,” he continued.
Ryan Dorsey and Naya Rivera.Jon Kopaloff/FilmMagic

The touching post comes six months after the tragic death of Rivera, whose body was found on July 13 in Lake Piru in Ventura County, California, following a five-day disappearance.
The actress wasreported missingon July 8 after a pontoon boat she had rented with Josey, who 4 at the time, became overdue for return and the staff at the lake found it at the north side of the water with the star’ssleeping son aboard.
An autopsy laterruled Rivera’s cause of deathasaccidental drowning. She waslaid to reston July 24.
(L-R) Naya Rivera, Ryan Dorsey, son Josey.Ryan Dorsey/Instagram

Dorsey, who wasmarriedto Rivera from 2014 to 2018,broke his silenceabout his ex’s death with a heartbreaking Instagram post in late July, writing in part, “This is so unfair…there’s not enough words to express the hole left in everyone’s hearts.”
“I can’t believe this is life now. I don’t know if I’ll ever believe it,” he continued. “You were just here…We were just in the back swimming with Josey the day before. Life just isn’t fair.”
A source recentlytold PEOPLEthat Dorsey “is very much about keeping Naya’s memory alive” as he continues to raise their son.
RELATED VIDEO: Naya Rivera’s Ex Ryan Dorsey Shares Sweet Videos of Son Josey, 5, Dancing to Michael Jackson
“He often tells Josey, ‘Mommy would have liked that,’ " the source said.
As a way to keep her close to their hearts, Dorsey and Josey “look at pictures together and Ryan reminds Josey about all the fun that he had with his mom,” according to the source.
“Ryan is very focused on being the best dad,” said the source. “He is doing a great job.”
source: people.com