The 22-year-old perches on the edge of a sun lounger while her Arsenal ace fella lays back.
The couple have been spending their holidays at a luxury hotel in the French Riviera, and the young student's tan is coming along a treat.
Melanie showed off her stunning curves in a leopard print bikini as she adjusted her hair before turning over on to her front.
Walcott, 22, paid little attention to his stunning girlfriend as he shielded his eyes from the rays with his hat.
Theo and Melanie have been dating since 2006, when they met at a shopping centre in Southampton, Hants.
They flew out to the private resort last week and have spent every day relaxing round the pool.
Unlike many of the WAGS, the stunning student is taking a break from her day job to enjoy the holiday.
So it's good to see her making the most of her time before returning to her physiotherapy training at St George's Hospital in London.
As long as she doesn't forget to slap on the aftersun.