Dominique Cojuangco mourns passing of her half-sister

Dominique Cojuangco expresses grief over the sudden loss of her half-sister, Patricia Cojuangco Kierulf.
On Instagram, Dominique honored Patricia with a heartfelt message. She wrote, "How blessed am I to have been able to call you my sister in this lifetime? My heart is shattered. I'll love you forever."
The grieving sister also shared candid photos showing their sweetest memories -- from childhood snapshots to special moments at her wedding. She also posted some solo shots of Patricia, whom she dearly loved.
Fans loved the warmth and closeness between the two over the years, noting their strong sisterly bond despite their age gap and being half-sisters.
While the comment section was turned off, many showed their support and sympathy by flooding the post with heart reactions.
Dominique and Patricia are both daughters of businessman Tonyboy Cojuangco -- Dominique with socialite-actress Gretchen Barretto; and Patricia with Tonyboy's former wife, Bingbing Gonzales.
Patricia was 47 years old at the time of her passing on April 19. As of writing, the family has not disclosed the cause of death.
Meanwhile, here are some popular celebrity half-siblings in showbiz:













