It's a busy time for Donald Trump Jr. The Celebrity Apprentice finale takes place Sunday, the same day as Mother's Day, and daughter Kai turns 2 on Tuesday.Donald Jr., 31, and wife Vanessa, 31, who wed in 2005, welcomed son Donald III in February. How is Kai adjusting to life as a big sister?
"She's doing very well with it now, said Donald . "She's very good with the baby. There are definitely moments of jealousy as I think there