Sara Gilbert surprises longtime friend Sharon Osbourne for her big birthday celebration on “The Talk,” Friday. First appearing on screen, Gilbert says, “Happy birthday, Sharon. I love you so much. Sorry I can’t be there.” After the video message, Gilbert reveals herself, live on stage to Osbourne’s tearful reaction. Blowing kisses from afar, Gilbert shares a special birthday message from her youngest son, Rhodes. Sheryl Underwood asks, “Sharon, how does it feel to have Sara here in person? “Just, the best,” reacts Osbourne. “I love you so much,” says Gilbert. “You are just the most amazing, magnetic, tremendous person…There is something incredible about you.” She adds, “You’re just one of a kind, so tough, so fierce, so loving and I am beyond lucky that you are in my life.” Osbourne reflects, “First of all, I wouldn’t be doing this if it wasn’t for you. All of us.” “I miss you guys so much,” responds Gilbert.