The Fuller House star finally said yes to joining the ABC reality competition series after turning it down in the past and her partner Keo Motsepe is hoping Sweetin's dance experience leads to an advantage. "She said this will be one of the hardest things I have ever done that I will absolutely love and it's a once in a lifetime experience. So I'm really excited to find out myself," Sweetin's already worried about the jive and the quickstep dances. "I think it's all going to be fun.