The businesswoman took to Instagram on Tuesday to share a video detailing how she celebrated her milestone birthday. "This is turn up Tina, coming to you, on my birthday in my favourite place in the world, Malibu Beach. And I have had the time of my life with all of my beautiful friends from Texas and my friends from California." The 70-year-old, who is Beyoncé Knowles' mother, shared that she had a "spiritual weekend" which was "filled with love". "I had a little anxiety about turning 70, you know? But I'm so blessed to be here…”