Kourtney Kardashian's son Reign is growing up so fast.
The six-year-old was recently spending time with his dad Scott Disick - Kourtney's ex - while the Poosh founder enjoyed a romantic break in Utah with her boyfriend Travis Barker.
And Scott couldn't help but post a snap of the youngster to his social media page.
Reign posed on the bonnet of a customised blue Rolls Royce, perched on the lid with his arms folded across his chest.
The fashionable son of Kourtney and Scott looked ultra cool as he wore a chain around his neck with a relaxed shorts and T-shirt outfit, which he paired with slider sandals.
"How ya doin guyyyyy!" Scott wrote next to the photo.
Fans of little Reign took to the comments section and shared their thoughts about how much he has grown up.
"Cooolllesttttttt little baby!! REIGNY is PERFECTION!!!!!!!" one person wrote.

Another shared: "Such a little legend."
And a third added: "God bless ... He looks like you."
Reign's doting mum Kourtney is currently loved-up with her new man Travis.
She went public with the Blink-182 drummer on Valentine's Day.

Scott, who dated Kourtney on and off for nine years before calling it a day in 2015, is reportedly "jealous" of Kourtney as she is head-over-heels for her boyfriend.
A source previously told The Sun : "Yes, they’ve both dated other people since they broke up, but it’s never been an issue as it’s always been younger models, and not serious relationships.

"But now Kourt is officially dating Travis, Scott’s suddenly really jealous and seems furious."
Meanwhile, the rumour mill is in full flow that the pair are set to tie the knot with friends of the couple even asking about wedding planning one of Kourtney's latest social media posts.
According to OK! magazine, if Travis was to propose, the Keeping Up With The Kardashians star is likely to opt a "timeless" engagement ring design similar to the huge cushion-cut sparkle that younger sister Kim was given by now ex-partner Kanye West.

Shannon Delany-Ron, the CMO of JamesAllen.com, told the publication: "Kourtney’s refined style would lend itself to something with classic, clean lines and a traditional centre diamond, like an emerald or round cut on a solitaire or pavé setting."
An engagement would mark new territory for Kourtney as she has never been engaged.
She has three kids to Scott, but has not been super serious with another man until Travis came along.
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