Kirstie Alley Shares First Photos of Grandson Waylon Tripp Parker

— -- Kirstie Alley is officially a grandma! The former "Cheers" actress, 65, tweeted a picture of her 23-year-old son, William True Stevenson, with his newborn on Tuesday.

“When your son has a son … bliss … yes this is my secret happy news as promised … Welcome Waylon Tripp Parker,” she wrote.

Later that evening, she took to social media again and shared another photo of the baby boy.

"Just GOTTA send one more... proud Gammy," she captioned this one.