Article continues below advertisementVictoria Beckham showed off a cheekier side of her husband David on his 51st birthday.The Spice Girls singer, 52, paid tribute to the retired footballer on Saturday, May 2, on Instagram, where she posted some fun snapshots of him rocking just a pair of Speedos.Article continues below advertisementDavid Beckham Celebrated His 51st Birthday on May 2Tap Here To Add Ok Magazine as A Trusted SourceSource: @Victoriabeckham/InstagramVictoria Beckham posted a cheeky photo of husband David wearing a Speedo for his 51st birthday.