Andrew Keegan is a dad! The 10 Things I Hate About You [1] actor and his girlfriend, Arista Ilona, welcomed a baby girl named Aiya Rose [2] on Tuesday, Us Weekly reports. According to a statement from Andrew's rep, the actor said, "My beloved partner and I are overjoyed to welcome a healthy baby girl into our world. Our hearts are full of love, and we are thrilled to embrace our role as her parents." The couple previously announced their pregnancy [3] in October of last year; this marks their first child together. Congratulations to the new parents!