Happy Belated Birthday to Carrie Underwood and Mike Fisher's baby boy!

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The couple's son, Isaiah, celebrated his first birthday last Saturday where his parents threw him a party with a pretty epic cake. Over the weekend, the country star added a new photo on Instagram of the blue dessert with underwater features added- one of them including a big orange fish.

A second cake also happened to be added with more fish on top.

And here's the deliciousness that the rest of us got to enjoy!!! Soooo goooood!!!!! @iveychilders @iveycakestore A photo posted by Carrie Underwood (@carrieunderwood) on Feb 28, 2016 at 6:27pm PST

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Isaiah's daddy wished his son a happy birthday on Instagram as well with another photo of the cake, saying how hard it is to believe that it's already been one year.

 Hard to believe he's a year old!

A photo posted by Mike Fisher (@mfisher1212) on Feb 28, 2016 at 7:19pm PST

Meanwhile, Underwood opened up to People about making changes in her life for the sake of her son when it comes to traveling.

"Now it's so important for me to find things that are family friendly," she said. "I never really had to think about that until having a child. Before, [my husband] Mike [Fisher] and I would go wherever we wanted to go, and we never really gave it a second thought. But now, I'm like, 'Well, does this hotel have what we'll need for kids? Is it the right place to take him?'"

Tags: Carrie Underwood Mike Fisher