Let's make this birthday one to remember.

77 years old (Born on February 20, 1948)

Happy Birthday, Jennifer O'Neill! From your unforgettable portrayal of Dorothy in "Summer of '42," you've captured hearts and inspired countless daydreams. Your timeless charm continues to remind us all that summers—and memories—are best cherished with warmth, laughter, and a touch of nostalgia.

Whether lighting up the screen or advocating passionately for causes close to your heart, you remain an enduring icon whose grace never fades. Here's hoping this birthday brings as much joy as you've given audiences over the years—minus any awkward teenage crushes from admirers stuck forever in their own personal summer of ’42!