Zoe Ball bid an emotional farewell to her son Woody as he began university in Bristol on Wednesday.The radio presenter, 49, was joined by her ex-husband Fatboy Slim, real name Norman Cook, who she shares her son with, and she shared a slew of snaps from their trip after dropping him off.One snap saw Zoe put on an animated display as Woody smiled with glee and the DJ, 56, posed behind them, while another snap saw father and son pose together in what appeared to be his dorm in student halls.Zoe