Chris Evert has dropped an adorable picture of her grandson, Hayden James Mill, on social media on Sunday, November 30. The American tennis legend also added an endearing caption, saying her grandson stole her heart half a year and a half ago.Chris Evert is a tennis legend with 157 singles and 32 doubles titles. She also won 18 majors, including a record seven French Open titles and a joint-most six US Open titles. Evert also held the WTA No. 1 rankings for 260 weeks, fourth-most of all time, and finished as a Year-End No. 1 five times in 1975, 1976, 1977, 1980, and 1981.Before retiring, Evert married Olympian skier Andy Mill in 1988, and the couple has three sons, Alex, Nicholas, and Colton. She is also a proud grandmother to Hayden James Mill, born to Nicholas and his wife, Rebecca, in May 2024. Apart from her on-court duty as a tennis analyst, Evert regularly shares adorable moments with her grandson.Chris Evert captured one such moment with her grandson and shared it on her Instagram page on Sunday. In the picture, Hayden was seen closely staring at a mobile screen while lying on the floor. She captioned the post, writing:"This little boy stole my heart a year and a half ago... #Hayden #Nana." View this post on Instagram Instagram PostEvert's son Nicholas Mill replied to the post, writing:"No screen time they said…"After retiring in 1989, she opened the Chris Evert Academy with her brother in Florida and currently works as an analyst for ESPN."Having a grandchild is double the fun" - Chris Evert on expanding her familyChris Evert's personal life has always been of public interest, having been briefly engaged to the former World No. 1 Jimmy Connors and married thrice. Having won and achieved everything on the court, the 70-year-old believes nothing tops having a child.In an interview with BNP Paribas in February this year, Evert talked about her daughter-in-law and her grandson."Well, first of all, my daughter in law is the daughter that I always wanted," she said. "I mean, she's perfect. My grandchild Hayden is, wow, again, I never everyone kept saying, ‘Wait until you have a grandchild.’ I thought nothing can top having a child.""But having a grandchild is double the fun, because you're also seeing your son being a father. Your child has become a father. Then I have this little grandson. It's wonderful. I will be, for sure, a fun grandmother. I will right around as long as I can," she added.Evert recently shared a memorable beach moment with her grandson earlier this month.