The 35-year-old star also noted that her message was 'sent from my hospital bed lol'.
The couple, who has been dating since 2016, shared the news through UNICEF and said they have named their newborn daughter Daisy Dove Bloom.
She and Bloom have "come back up again" since their tribulations, and things are better now as they commit to one another, Perry said.
Singer Katy Perry likes to push the darkest moments of her life and channel her emotions into upbeat songs.
Singer Katy Perry has chosen her longtime friend and actress Jennifer Aniston to be her future daughter's godmother.
The pair famously stopped feuding after Perry appeared in Swift's music video for her song 'You Need to Calm Down.'
But we had to ask Perry about how they managed to complete the show during the pandemic, while also checking on her homemaking plans.
The song is motivational, inspiring and is a reflection on how people get back on their feet after being knocked down.
Perry said she had broken up with Bloom which coincided with the release of her fifth studio album 'Witness' that was met with mixed reviews.
Houseparty, video-chat app, has lined up 40 stars for a three-day live-streaming event this weekend.
The song will release on May 15.
Perry dressed for the occasion in an Easter Bunny costume and did a Facebook Live before Sunday night's episode.
The 35-year-old singer revealed on Twitter that she will be donating 10 percent from the sale of every shoe and handbag in the months of April and May from her brand - katyperrycollections.
Katy Perry met another famous Perry, injured Australian star Ellyse Perry who presented the pop icon with a 'Perry' Australian shirt.
According to People magazine, the couple, who is expecting their first child together, was all set to get married somewhere around June.