Amanda, who is famed for her show-stopping outfits on BGT, said: “What an honour to announce the UK’s votes this year. I’m utterly thrilled. It’s an ambition ticked after 45 years of watching it! Now, what to wear…”
It has also been announced that Graham Norton will return to commentate on the grand final, which takes place in Rotterdam in The Netherlands on 22 May.
Ken Bruce will also host coverage for BBC Radio 2.
Meanwhile, coverage of the semi finals, which take place on 18 and 20 May, will once again be fronted by Scott Mills and Rylan Clark-Neal.
This year, the pair will be joined by musician and presenter Chelcee Grimes as they host live from London.