Love Island winner Dyer, who got married to West Ham star Bowen earlier this year, said: "Getting the opportunity to be on Strictly is the second most amazing thing I’ve done this year! I feel very very blessed and cannot wait to get my dancing shoes on."
And Hasselbaink added: "Swapping the pitch for the ballroom is certainly not something I’ve done before but I’m looking forward to tackling a fun challenge! Bring on a new type of footwork, with hopefully no own goals."
Incidentally, some of the rumoured celebrities are ex-Olympian Sir Mo Farah, entrepreneur Thomas Skinner, TV presenter Angellica Bell and TV star Stacey Solomon.