Romeo and Victoria Beckham. Picture: Instagram

Victoria and David Beckham have praised their son Romeo on his 16th birthday, as their famous family takes to social media to mark the special day.

The second eldest son of the fashionista and former soccer star David Beckham - who also have Brooklyn, 19, Cruz, 13, and daughter Harper, seven, together - celebrated his sweet 16 on Saturday, and his famous family took to social media to celebrate the special occasion.

Former Spice Girl Victoria, 44, posted a picture of the pair, and wrote: "Happy Birthday Romeo!Can't believe our baby is 16 today!!! We all love you so so much @romeobeckham xxx (sic)"

She also then posted a second snap of Romeo sat in front of a pile of presents and balloons, which she captioned: "Happy Birthday @romeobeckham x we love u! @davidbeckham @[email protected] #harperseven (sic)"

On Romeo's own Instagram, he shared a video of football star Neymar Jr., who had wished him a happy birthday, as well as posting a snap of his friends.

Wow what a cool video thanks so much @neymarjr :)

A post shared by ROMEO (@romeobeckham) on

He captioned the black and white photo: "Thanks for such a fun birthday :) @ahmed_alsibai @[email protected] @[email protected] @[email protected] @an.thony10987 (sic)"

Famous father David Beckham also posted on his social media channels, sharing an image of himself giving a young Romeo his first shave.

He wrote: "I cannot believe my little man is 16 years old... Happy birthday big boy you are so special and I love you so much x @romeobeckham (sic)"

Romeo and his family recently spent time on vacation in France, where they hung out with family friend Sir Elton John and his husband David Furnish.

The 71-year-old music icon took the Beckhams on a relaxing boat ride down the French Riviera, and the trip was documented on social media.

David, 43, posted a photo on Instagram of him and the 'Rocket Man' hitmaker chilling out on a boat, while a shirtless David wrapped his arms around Elton. 

David wrote: "Uncle Elton.... We have known each other now for 25 years .. Fun times with each other @[email protected] (sic)"