Channing Tatum is loved up and wants the world to know it. The Magic Mike star, 45, took to Instagram on Tuesday, September 9, to celebrate the 26th birthday of his girlfriend Inka Williams. Sharing a series of Instagram Stories that captured his love, Tatum included a sweet photo of himself kissing the Australian-born model. "Happiest day of birth to my RIDER!" Tatum wrote atop a video of the duo riding a motorcycle together along a stretch of sand, as recorded by Williams who wrapped one arm around her man as she filmed with the other. "Love you so.