As she started her campaign in the Miss Universe pageant Bangkok, Thailand, Catriona already wowed everyone with her unique, astounding, and awe-inspiring style-from the National Costume contest to the recent preliminaries.
Being held for the 67th year, the competition took place in Bangkok for the third time.
Gray began participating in pageants at the age of 5, when she won the Little Miss Philippines beauty pageant, ABS-CBN News reported.
As soon as she was declared victor, Filipinos watching the televised contest cheered wildly and jumped for joy.
One From the Miss Universe 2018 Crowning Moment!
The 2017 victor, Demi-Leigh Nel-Peters, from South Africa, crowned the new Miss Universe. Prior to the Miss Universe Pageant, her walk, which was dubbed a "lava walk", went viral.
It's these elements in her outfits - both big and small - that prove how serious she is in representing the Philippines. She embodies the Filipina's beauty, intelligence and burning passion.
Sen. Benigno0 "Bam" Aquino 4th said: "Congratulations to Miss Philippines, now Miss Universe Catriona Gray". But it takes more than looks to win the crown.
Senate Majority Leader Juan Miguel Zubiri said: "We join the whole country in greeting the new Ms. Universe Catriona Grey a hearty Congratulations!"
When she competed in Miss World in 2016, she spoke about being a torchbearer.
She is a 24-year-old with a Master's in music theory.
Moran is also well known for her work promoting peace as part of the Mindanao Commission on Women Organisation and recently as an ambassador-trustee of Habitat for Humanity Philippines.
Celebrity Steve Harvey returned as the pageant's host in 2018, who has hosted during each of the past four years.
The event will also see a live performance by Ne-Yo, who will sing his track Miss Independent.
After winning she told reporters she would like to expand her work with an organisation in the Philippines that promotes education on HIV and AIDS.
Albayalde expressed concern over the possible oversupply of marijuana in the country if it is allowed for medical use.
Gray is also an advocate of HIV/AIDS at Love Yourself Philippines, and volunteers as a teacher's assistant to students of a non-government organization Young Focus. After finishing high school in Australia, she moved to Manila, Philippines. She spent her childhood acting and singing, and landed the lead role in a production of Miss Saigon.
Gray's father is Australian, and she was born and grew up in Cairns, Australia.