Victoria Beckham Poses Next to Son Brooklyn: 'I Didn't Know I Was So Short'

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Brooklyn Beckham is clearly not so little anymore!

Victoria Beckham posted a sweet black-and-white picture of her and hubby David Beckham's eldest child, 17-year-old Brooklyn, on Instagram, pointing out their now significant height difference.

"I had no idea I was so short," Victoria, who's 5'4", joked.

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This isn't the first time the 42-year-old designer has gushed about her handsome son. In June, she shared his photo shoot for L'Uomo Vogue magazine. "#SoProud," she wrote about the Terry Richardson pics.

The feeling is mutual. In March, Brooklyn Instagrammed an adorable message for Victoria on U.K. Mother's Day.

"You love, protect and inspire me every day. I love you so much X," Brooklyn wrote about the mother of four.

WATCH: Victoria Beckham Under Fire for Kissing Daughter on the Mouth as Moms Defend 'Beautiful' Photo

And Victoria definitely approves of Brooklyn's girlfriend, 19-year-old actress Chloe Grace Moretz. Late last month, Victoria publicly showed her support for the Neighbors 2 star's speech at the Democratic National Convention.

"That's what I'm talking about!!!" the former Spice Girl wrote on Instagram, along with a photo of Chloe delivering her speech. "Girl Power!!!! @chloegmoretz @hillaryclinton #ImWithHer us X VB."

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