Katy, 34, and Orlando, 42, got engaged on Valentine's Day, as they both shared the same photo on Instagram showing off Katy's unique engagement ring. Numerous heart-shaped balloons could also be seen covering the ceiling.
"Full bloom," Katy captioned the image, using a play on her future husband's name.
"Bloom" may also have significance when it comes to the ring, which boasts a colorful pink stone in the middle of an arrangement of diamonds shaped like a flower.
And Orlando captioned the photo, "Lifetimes," on his own Instagram account.
Katy's mother also shared -- but later deleted -- a few sweet photos from the couple's engagement party on her Facebook page, captioning them, "Look who got engaged on Valentines Day!!"
Earlier in the day on February 14, Orlando suggested he had found his soul mate and seemed to tease a marriage proposal may be in the works on Instagram.
Orlando posted an image that read, "A shallow person will have only shallow relationships. Real love is not one person clinging to another, it can only be fostered between two strong people secure in their individuality. Antoine de Saint -- Exupery, author of The Little Prince wrote in a work called Wind, Sand and Stars, 'Love is not two people gazing at each other, but two people looking ahead together in the same direction.'"
He wrote alongside the quote, "Wisdom for Modern Life by Daisaku Ikeda. February 14, 2019. Got nothin but love for ya'll."
Katy also gushed about Orlando earlier in the day, sharing an adorable picture of her man taking a nap and snuggling with their two miniature poodle dogs.
"Will u be my teenage dream?" Katy captioned the photo, referencing one of her biggest hit songs.
The couple began dating in January 2016, and over the next 12 months, Katy was introduced to Orlando's eight-year-old son Flynn with his ex Miranda Kerr and the pair met with each other's parents, according to People.
However, Katy and Orlando announced they had decided to split in February 2017. The breakup was allegedly amicable and they remained friends.
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About a year later, rumors of a reconciliation began to swirl when the former lovebirds were spotted vacationing in the Maldives, according to People.
The couple continued to travel together and date, and then Katy finally confirmed in May 2018 she and Orlando were back together by disclosing on the American Idol finale, "I'm not single."
ABC announced in December the second season of its American Idol revival will premiere with a two-hour episode on Sunday, March 3 at 8PM ET/PT.
The network had renewed American Idol for the 2018-2019 season in May of last year.
At the time, the network also confirmed Katy, Luke Bryan, and Lionel Richie will return to the series as judges for Season 17.
Although American Idol is returning with a second season on ABC, the show previously aired on Fox for 15 seasons from 2002 to 2016. About The Author:Elizabeth Kwiatkowski
Elizabeth Kwiatkowski is Associate Editor of Reality TV World and has been covering the reality TV genre for more than a decade.