Kate Chastain (L); son Sullivan (R).Photo:Charles Sykes/Bravo via Getty; Kate Chastain/Instagram

Charles Sykes/Bravo via Getty; Kate Chastain/Instagram
Kate Chastaincan’t hold back her excitement about spending her first Halloween with her son.
On Tuesday, theBelow Deckalumna, 40, shared a video of her 5-month-old son,Sullivan Cay, who was all smiles as he celebrated his first-ever Halloween.
“100 percent showing these photos to his first date when he’s a teenager,” Chastain wrote below the short video as her son’s face broke out in a smile.
She addedNelly Furtado’s 2000 hit “I’m Like A Bird” as a background song to the post, too.
Kate Chastain’s son Sullivan dressed for Halloween.Kate Chastain Halloween

Kate Chastain Halloween
“It dropped below 90 degrees today so obviously we’re out celebrating the start of Fall 🍂🍁,” she captioned the post.
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PEOPLE reported news of Chastain’s pregnancy exclusivelyin December 2022, where the discussed her desire to have a child of her own.
“I am absolutely thrilled to become a mother,” the reality star said at the time. “It’s something I’ve always hoped for, so this is truly a dream come true!”
Later, while appearing on theWatch What Happens Liveafter show, Chastain — who has not publicly revealed the identity of her son’s father — said she wasplanning to raise Sullivan on her own. “I’m doing it solo and perhaps with some help, but I’m happy to do it alone,” she told hostAndy Cohen.
In January 2023, theBelow Deck Galley Talkstar got emotional while appearing onWWHLwhen she revealed thatshe wasn’t sure she would get to experience motherhood. After Cohen, 55, asked her if she “always wanted a kid,” she told him, “I did but I wasn’t sure if it was going to happen for me, so I just feel so lucky.”
source: people.com