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They welcomed their second daughter to the world on February 15, 2018.
And proud mom Behati Prinsloo shared Gio's first birthday celebration on Instagram on Friday.
Victoria - Secret - Angel - Shares - Tot
The Victoria's Secret Angel, who shares the tot with husband Adam Levine, posted a shot of the family's dining room filled with colorful balloons and gold letter balloons that read 'Gio is 1.'
Behati, 30, captioned the photo: 'My little GG is 1 i love you.'
Video - Gio - Instagram - Story - Alien
She also added an adorable video of Gio bouncing around on her Instagram story, writing: 'Can’t believe my little alien is 1 today. Love you baby GG.'
Gio is a sister for Behati and Adam's two-year-old daughter Rusty Rose.
Model - Singer - Rock - Band - Maroon
The Namibian model and the lead singer for rock band Maroon 5, 39, have been together since May 2012.
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Measuring his life out one teaspoon at a time.