The 63-year-old businesswoman, who is grandmother to singers Beyonce's daughter Blue Ivy (five) and Solange's son Daniel (12), says she is reliving her motherhood through her grandkids, reported People magazine.
"Being a grandmother is the second best job in the world (and) being a mom (is the first). That's the fun part (spoiling them). I buy them drum sets and noisy toys. I encourage them to ask for everything, so I'm getting my kids back," says Tina.
Previously, she revealed that mother-to-be Beyonce is "doing great, she's just ready to - you know, she's ready to see her babies".