The toddler is holding an apple and there is a lush green plant behind him.

The Good American founder captioned the post: ‘My Baby.’

Cutie pie: Proud mom Khloe Kardashian, 39, shared a cute snap of her one-year-old son Tatum on Saturday

Boy mom: Tatum turned one on July 28th and in true Kardashian style, Khloé celebrated her ‘SONshine’ with an epic party

Another reality television star commented on the super cute photo.

Teen Mom’s Kailyn Lowry, 31, wrote: ‘He’s so cute and I still see so much of Rob,’ she wrote, referring to Rob Kardashian, 36.

Khloé replied ‘@kaillowry aww thank you! He reminds me so much of my dad and my brother it is wild,’ and added two heart eyes emojis.

Tatum turned one on July 28th and in true Kardashian style, Khloé celebrated her ‘SONshine’ with an epic party.

She shared snaps of the fête on Instagram and posted a lengthy tribute to her youngest child.

The Keeping Up With the Kardashians alum – who shares her two kids with her ex-boyfriend Tristan Thompson, 32 – wrote about how proud she is to be his mom.

‘So proud of the love and laughter we have in our house. So proud of your beautiful, gentle, loving, infectious spirit. You light up every single room. There’s no denying that Everyone smiles when they look at you! Especially True she is so proud to call you hers,’ she wrote.

Khloé went on to  write about how Tatum has changed her life and how much she needed him in her life before altering the words to the song You Are My Sunshine to You Are My SONShine.

Baby boy: She shared snaps of the fête on Instagram and posted a lengthy tribute to her youngest child

SONshine: The Keeping Up With the Kardashians alum wrote about how proud she is to be his mom

Back to school: And Tatum’s first birthday is not the only big moment in her kids’ lives. True, five, just started kindergarten and the mom of two celebrated that with an epic photoshoot

Baby daddy: Khloe shares both of her children with 32-year-old NBA star Tristan Thompson, who she was in an on-off relationship with for several years

And Tatum’s first birthday is not the only big moment in her kids’ lives.

True, five, just started kindergarten and the mom of two celebrated that with an epic photoshoot featuring a huge backdrop that looked like a sheet of notebook paper and had ‘First Day of Kindergarten’ written on it.

The backdrop was surrounded by pastel colored balloons and Tatum posed in front of it in her school uniform of a white shirt and blue plaid skirt looking sassy with one hand on her hip.

‘For anyone wondering, no I’m not ok! Next it will be prom,’ she captioned the post.