Shirtless David Beckham shows off his six-pack as he persuades Victoria to jump on a jet ski (after she squeezes in a workout) as they holiday with their kids on a mega yacht in Sardinia to celebrate Harper’s 13th birthday

The Beckham clan seemed in high spirits as they enjoyed a day at sea on Wednesday during a family holiday in Sardinia.

David Beckham gathered his family on a mega yacht in Sardinia for daughter Harper’s 13th birthday, with his brood making the most of the warm weather and trying out watersports.

The former footballer, 49, put his ripped figure on display as he went shirtless in a pair of lemon yellow swimming trunks before slipping on a life jacket to hop on a jet ski.

Jumping on behind him was Victoria, 50, who held on tightly to her husband as he rode the waves.

The Beckham matriarch sported a black swim skirt with her life jacket and accessorised with a baseball cap as she enjoyed the ride.

Yet it wasn’t all fun and games for Victoria, who was sure not to let her gruelling workout regime slip on the holiday.

She was pictured pumping iron on the yacht, getting her reps in on the sundeck while casually clad in a plain black T-shirt and denim shorts.

Yet the day was all about the couple’s youngest daughter Harper, who marked officially becoming a teenager.

The family celebrated by putting up pink and silver balloons, with Harper pride of place while she enjoyed breakfast with siblings Romeo, 21, and Cruz, 19.

Harper also headed out on the jet skis on the trip, catching a ride with Cruz.

Sadly, her eldest brother Brooklyn, 25, was seemingly unable to make the trip, staying in Los Angeles with his wife Nicola Peltz, 29.

He did, however, acknowledge his little sister with a sweet Instagram post on her big day, sharing a gallery of snaps captioned: ‘Happy 13th birthday to the best little sister in the whole wide world xx we love you so much xxxxxxxxxxxxx .’

Victoria and David also celebrated the milestone by sharing sweet social media posts.